CINXE.COM
Hemorphin-4 - Wikipedia
<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>Hemorphin-4 - Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy", "wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"5312ac0a-a01f-4a4e-aea0-c26fade77ed8","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Hemorphin-4","wgTitle":"Hemorphin-4","wgCurRevisionId":1182465112,"wgRevisionId":1182465112,"wgArticleId":33863877,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Articles with short description","Short description is different from Wikidata","Articles without InChI source","Articles without EBI source","Articles without KEGG source","Articles without UNII source","Articles containing unverified chemical infoboxes","Chembox image size set","Short description matches Wikidata","All stub articles","Delta-opioid receptor agonists","Kappa-opioid receptor agonists","Mu-opioid receptor agonists","Opioid peptides","Tetrapeptides","Biochemistry stubs"], "wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Hemorphin-4","wgRelevantArticleId":33863877,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgFlaggedRevsParams":{"tags":{"status":{"levels":1}}},"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":5000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId": "Q5712560","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","site","mediawiki.page.ready","jquery.makeCollapsible","skins.vector.js","ext.centralNotice.geoIP", "ext.centralNotice.startUp","ext.gadget.ReferenceTooltips","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Hemorphin_4.svg/1200px-Hemorphin_4.svg.png"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="600"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Hemorphin_4.svg/800px-Hemorphin_4.svg.png"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="400"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Hemorphin_4.svg/640px-Hemorphin_4.svg.png"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="320"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Hemorphin-4 - Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//en.m.wikipedia.org/wiki/Hemorphin-4"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Hemorphin-4&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://en.wikipedia.org/wiki/Hemorphin-4"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en"> <link rel="alternate" type="application/atom+xml" title="Wikipedia Atom feed" href="/w/index.php?title=Special:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Hemorphin-4 rootpage-Hemorphin-4 skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Jump to content</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">hide</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"><span>Main page</span></a></li><li id="n-contents" class="mw-list-item"><a href="/wiki/Wikipedia:Contents" title="Guides to browsing Wikipedia"><span>Contents</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Current_events" title="Articles related to current events"><span>Current events</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Visit a randomly selected article [x]" accesskey="x"><span>Random article</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About" title="Learn about Wikipedia and how it works"><span>About Wikipedia</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia"><span>Contact us</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Contribute </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia"><span>Help</span></a></li><li id="n-introduction" class="mw-list-item"><a href="/wiki/Help:Introduction" title="Learn how to edit Wikipedia"><span>Learn to edit</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Community_portal" title="The hub for editors"><span>Community portal</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="A list of recent changes to Wikipedia [r]" accesskey="r"><span>Recent changes</span></a></li><li id="n-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_upload_wizard" title="Add images or other media for use on Wikipedia"><span>Upload file</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="The Free Encyclopedia" src="/static/images/mobile/copyright/wikipedia-tagline-en.svg" width="117" height="13" style="width: 7.3125em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&returnto=Hemorphin-4" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&returnto=Hemorphin-4" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Log in and more options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&returnto=Hemorphin-4" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&returnto=Hemorphin-4" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Hemorphin-4</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 4 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-4" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">4 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%DB%B4-%D9%87%D9%85%D9%88%D8%B1%D9%81%DB%8C%D9%86" title="۴-همورفین – South Azerbaijani" lang="azb" hreflang="azb" data-title="۴-همورفین" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DB%B4-%D9%87%D9%85%D9%88%D8%B1%D9%81%DB%8C%D9%86" title="۴-همورفین – Persian" lang="fa" hreflang="fa" data-title="۴-همورفین" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Hemorfin-4" title="Hemorfin-4 – Serbian" lang="sr" hreflang="sr" data-title="Hemorfin-4" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Hemorfin-4" title="Hemorfin-4 – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Hemorfin-4" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q5712560#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Hemorphin-4" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:Hemorphin-4" rel="discussion" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Hemorphin-4"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Hemorphin-4&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Hemorphin-4&action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Hemorphin-4"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Hemorphin-4&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Hemorphin-4&action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Hemorphin-4" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Hemorphin-4" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Hemorphin-4&oldid=1182465112" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Hemorphin-4&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=Hemorphin-4&id=1182465112&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FHemorphin-4"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FHemorphin-4"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Hemorphin-4&action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Hemorphin-4&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q5712560" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Endogenous opioid peptide</div> <style data-mw-deduplicate="TemplateStyles:r1084375498">.mw-parser-output .ib-chembox{border-collapse:collapse;text-align:left}.mw-parser-output .ib-chembox td,.mw-parser-output .ib-chembox th{border:1px solid #a2a9b1;width:40%}.mw-parser-output .ib-chembox td+td{width:60%}</style> <table class="infobox ib-chembox"> <caption>Hemorphin-4 </caption> <tbody><tr> <td colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:Hemorphin_4.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Hemorphin_4.svg/300px-Hemorphin_4.svg.png" decoding="async" width="300" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Hemorphin_4.svg/450px-Hemorphin_4.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Hemorphin_4.svg/600px-Hemorphin_4.svg.png 2x" data-file-width="620" data-file-height="310" /></a></span> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Names </th></tr> <tr> <td colspan="2" style="text-align:left;"><a href="/wiki/Chemical_nomenclature" title="Chemical nomenclature">IUPAC name</a> <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;">(2<i>S</i>,3<i>R</i>)-2-[[(2<i>S</i>)-2-[[(2<i>S</i>)-1-[(2<i>S</i>)-2-amino-3-(4-hydroxyphenyl)propanoyl]pyrrolidine-2-carbonyl]amino]-3-(1<i>H</i>-indol-3-yl)propanoyl]amino]-3-hydroxybutanoic acid</div> </td></tr> <tr> <td colspan="2" style="text-align:left;">Other names <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;">L-tyrosyl-L-prolyl-L-tryptophyl-L-threonine</div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Identifiers </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CAS_Registry_Number" title="CAS Registry Number">CAS Number</a></div> </td> <td><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><span title="commonchemistry.cas.org"><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=103930-64-9">103930-64-9</a></span></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">3D model (<a href="/wiki/JSmol" class="mw-redirect" title="JSmol">JSmol</a>)</div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="chemapps.stolaf.edu (3D interactive model)"><a rel="nofollow" class="external text" href="https://chemapps.stolaf.edu/jmol/jmol.php?model=C%5BC%40H%5D%28%5BC%40%40H%5D%28C%28%3DO%29O%29NC%28%3DO%29%5BC%40H%5D%28Cc1c%5BnH%5Dc2c1cccc2%29NC%28%3DO%29%5BC%40%40H%5D3CCCN3C%28%3DO%29%5BC%40H%5D%28Cc4ccc%28cc4%29O%29N%29O">Interactive image</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChemSpider" title="ChemSpider">ChemSpider</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.chemspider.com"><a rel="nofollow" class="external text" href="https://www.chemspider.com/Chemical-Structure.16725618.html">16725618</a></span></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/PubChem" title="PubChem">PubChem</a> <abbr title="Compound ID">CID</abbr></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="pubchem.ncbi.nlm.nih.gov"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/128444">128444</a></span></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CompTox_Chemicals_Dashboard" title="CompTox Chemicals Dashboard">CompTox Dashboard</a> <span style="font-weight:normal">(<abbr title="U.S. Environmental Protection Agency">EPA</abbr>)</span></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="comptox.epa.gov"><a rel="nofollow" class="external text" href="https://comptox.epa.gov/dashboard/chemical/details/DTXSID20908670">DTXSID20908670</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q5712560#P3117" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li></ul></div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/International_Chemical_Identifier" title="International Chemical Identifier">InChI</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1S/C29H35N5O7/c1-16(35)25(29(40)41)33-26(37)23(14-18-15-31-22-6-3-2-5-20(18)22)32-27(38)24-7-4-12-34(24)28(39)21(30)13-17-8-10-19(36)11-9-17/h2-3,5-6,8-11,15-16,21,23-25,31,35-36H,4,7,12-14,30H2,1H3,(H,32,38)(H,33,37)(H,40,41)/t16-,21+,23+,24+,25+/m1/s1</div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: WEGGKZQIJMQCGR-RECQUVTISA-N</div></div></li></ul> </div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/Simplified_molecular-input_line-entry_system" class="mw-redirect" title="Simplified molecular-input line-entry system">SMILES</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.6em; word-wrap:break-word; text-indent:-1.5em; text-align:left; font-size:97%; line-height:120%;">C[C@H]([C@@H](C(=O)O)NC(=O)[C@H](Cc1c[nH]c2c1cccc2)NC(=O)[C@@H]3CCCN3C(=O)[C@H](Cc4ccc(cc4)O)N)O</div></li></ul> </div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Properties </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Chemical_formula" title="Chemical formula">Chemical formula</a></div> </td> <td>C<sub>29</sub>H<sub>35</sub>N<sub>5</sub>O<sub>7</sub>  </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td>565.618 g/mol    </td></tr> <tr> <td colspan="2" style="text-align:left; background:#f8eaba; border:1px solid #a2a9b1;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Except where otherwise noted, data are given for materials in their <a href="/wiki/Standard_state" title="Standard state">standard state</a> (at 25 °C [77 °F], 100 kPa).</div> <div style="margin-top: 0.3em;"></div> <div style="margin-top: 0.3em; text-align: center;"><a href="/wiki/Wikipedia:Chemical_infobox#References" title="Wikipedia:Chemical infobox">Infobox references</a></div> </td></tr> </tbody></table><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical compound</div> <p><b>Hemorphin-4</b> is an <a href="/wiki/Endogenous" class="mw-redirect" title="Endogenous">endogenous</a> <a href="/wiki/Opioid_peptide" title="Opioid peptide">opioid peptide</a> of the <a href="/wiki/Hemorphin" title="Hemorphin">hemorphin</a> family which possesses <a href="/wiki/Antinociceptive" class="mw-redirect" title="Antinociceptive">antinociceptive</a> properties and is derived from the β-chain of <a href="/wiki/Hemoglobin" title="Hemoglobin">hemoglobin</a> in the bloodstream.<sup id="cite_ref-pmid3743640_1-0" class="reference"><a href="#cite_note-pmid3743640-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-pmid2587417_2-0" class="reference"><a href="#cite_note-pmid2587417-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> It is a <a href="/wiki/Tetrapeptide" title="Tetrapeptide">tetrapeptide</a> with the <a href="/wiki/Amino_acid_sequence" class="mw-redirect" title="Amino acid sequence">amino acid sequence</a> Tyr-Pro-Trp-Thr. Hemorphin-4 has <a href="/wiki/Affinity_(pharmacology)" class="mw-redirect" title="Affinity (pharmacology)">affinities</a> for the <a href="/wiki/Mu-opioid_receptor" class="mw-redirect" title="Mu-opioid receptor">μ-</a>, <a href="/wiki/Delta-opioid_receptor" class="mw-redirect" title="Delta-opioid receptor">δ-</a>, and <a href="/wiki/Kappa-opioid_receptor" class="mw-redirect" title="Kappa-opioid receptor">κ-opioid receptors</a> that are in the same range as the structurally related <a href="/wiki/Casomorphin" title="Casomorphin">β-casomorphins</a>, although affinity to the κ-opioid receptor is markedly higher in comparison.<sup id="cite_ref-pmid2553436_3-0" class="reference"><a href="#cite_note-pmid2553436-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> It acts as an <a href="/wiki/Agonist" title="Agonist">agonist</a> at these sites.<sup id="cite_ref-pmid1359507_4-0" class="reference"><a href="#cite_note-pmid1359507-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Hemorphin-4 also has <a href="/wiki/Enzyme_inhibitor" title="Enzyme inhibitor">inhibitory</a> effects on <a href="/wiki/Angiotensin-converting_enzyme" title="Angiotensin-converting enzyme">angiotensin-converting enzyme</a> (ACE),<sup id="cite_ref-pmid1652464_5-0" class="reference"><a href="#cite_note-pmid1652464-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> and as a result, may play a role in the regulation of <a href="/wiki/Blood_pressure" title="Blood pressure">blood pressure</a>.<sup id="cite_ref-pmid2553436_3-1" class="reference"><a href="#cite_note-pmid2553436-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Notably, inhibition of ACE also reduces <a href="/wiki/Enkephalin" title="Enkephalin">enkephalin</a> <a href="/wiki/Catabolism" title="Catabolism">catabolism</a>.<sup id="cite_ref-pmid20487892_6-0" class="reference"><a href="#cite_note-pmid20487892-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hemorphin-4&action=edit&section=1" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Casomorphin" title="Casomorphin">Casomorphin</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hemorphin-4&action=edit&section=2" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width reflist-columns-2"> <ol class="references"> <li id="cite_note-pmid3743640-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-pmid3743640_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFBrantlGramschLottspeichMertz1986" class="citation journal cs1">Brantl V, Gramsch C, Lottspeich F, Mertz R, Jaeger KH, Herz A (June 1986). "Novel opioid peptides derived from hemoglobin: hemorphins". <i>European Journal of Pharmacology</i>. <b>125</b> (2): 309–10. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2F0014-2999%2886%2990044-0">10.1016/0014-2999(86)90044-0</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/3743640">3743640</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=European+Journal+of+Pharmacology&rft.atitle=Novel+opioid+peptides+derived+from+hemoglobin%3A+hemorphins&rft.volume=125&rft.issue=2&rft.pages=309-10&rft.date=1986-06&rft_id=info%3Adoi%2F10.1016%2F0014-2999%2886%2990044-0&rft_id=info%3Apmid%2F3743640&rft.aulast=Brantl&rft.aufirst=V&rft.au=Gramsch%2C+C&rft.au=Lottspeich%2C+F&rft.au=Mertz%2C+R&rft.au=Jaeger%2C+KH&rft.au=Herz%2C+A&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHemorphin-4" class="Z3988"></span></span> </li> <li id="cite_note-pmid2587417-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-pmid2587417_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDavisGillespiePorreca1989" class="citation journal cs1">Davis TP, Gillespie TJ, Porreca F (1989). "Peptide fragments derived from the beta-chain of hemoglobin (hemorphins) are centrally active in vivo". <i>Peptides</i>. <b>10</b> (4): 747–51. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2F0196-9781%2889%2990107-1">10.1016/0196-9781(89)90107-1</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/2587417">2587417</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:11168006">11168006</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Peptides&rft.atitle=Peptide+fragments+derived+from+the+beta-chain+of+hemoglobin+%28hemorphins%29+are+centrally+active+in+vivo&rft.volume=10&rft.issue=4&rft.pages=747-51&rft.date=1989&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A11168006%23id-name%3DS2CID&rft_id=info%3Apmid%2F2587417&rft_id=info%3Adoi%2F10.1016%2F0196-9781%2889%2990107-1&rft.aulast=Davis&rft.aufirst=TP&rft.au=Gillespie%2C+TJ&rft.au=Porreca%2C+F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHemorphin-4" class="Z3988"></span></span> </li> <li id="cite_note-pmid2553436-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-pmid2553436_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-pmid2553436_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLiebmannSchraderBrantl1989" class="citation journal cs1">Liebmann C, Schrader U, Brantl V (August 1989). "Opioid receptor affinities of the blood-derived tetrapeptides hemorphin and cytochrophin". <i>European Journal of Pharmacology</i>. <b>166</b> (3): 523–6. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2F0014-2999%2889%2990368-3">10.1016/0014-2999(89)90368-3</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/2553436">2553436</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=European+Journal+of+Pharmacology&rft.atitle=Opioid+receptor+affinities+of+the+blood-derived+tetrapeptides+hemorphin+and+cytochrophin&rft.volume=166&rft.issue=3&rft.pages=523-6&rft.date=1989-08&rft_id=info%3Adoi%2F10.1016%2F0014-2999%2889%2990368-3&rft_id=info%3Apmid%2F2553436&rft.aulast=Liebmann&rft.aufirst=C&rft.au=Schrader%2C+U&rft.au=Brantl%2C+V&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHemorphin-4" class="Z3988"></span></span> </li> <li id="cite_note-pmid1359507-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-pmid1359507_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFErchegyiKastinZadina1992" class="citation journal cs1">Erchegyi J, Kastin AJ, Zadina JE (1992). "Isolation of a novel tetrapeptide with opiate and antiopiate activity from human brain cortex: Tyr-Pro-Trp-Gly-NH2 (Tyr-W-MIF-1)". <i>Peptides</i>. <b>13</b> (4): 623–31. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2F0196-9781%2892%2990165-Y">10.1016/0196-9781(92)90165-Y</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/1359507">1359507</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:32330624">32330624</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Peptides&rft.atitle=Isolation+of+a+novel+tetrapeptide+with+opiate+and+antiopiate+activity+from+human+brain+cortex%3A+Tyr-Pro-Trp-Gly-NH2+%28Tyr-W-MIF-1%29&rft.volume=13&rft.issue=4&rft.pages=623-31&rft.date=1992&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A32330624%23id-name%3DS2CID&rft_id=info%3Apmid%2F1359507&rft_id=info%3Adoi%2F10.1016%2F0196-9781%2892%2990165-Y&rft.aulast=Erchegyi&rft.aufirst=J&rft.au=Kastin%2C+AJ&rft.au=Zadina%2C+JE&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHemorphin-4" class="Z3988"></span></span> </li> <li id="cite_note-pmid1652464-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-pmid1652464_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLantzGlämstaTalbäckNyberg1991" class="citation journal cs1">Lantz I, Glämsta EL, Talbäck L, Nyberg F (August 1991). "Hemorphins derived from hemoglobin have an inhibitory action on angiotensin converting enzyme activity". <i>FEBS Letters</i>. <b>287</b> (1–2): 39–41. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2F0014-5793%2891%2980011-Q">10.1016/0014-5793(91)80011-Q</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/1652464">1652464</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:26892050">26892050</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=FEBS+Letters&rft.atitle=Hemorphins+derived+from+hemoglobin+have+an+inhibitory+action+on+angiotensin+converting+enzyme+activity&rft.volume=287&rft.issue=1%E2%80%932&rft.pages=39-41&rft.date=1991-08&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A26892050%23id-name%3DS2CID&rft_id=info%3Apmid%2F1652464&rft_id=info%3Adoi%2F10.1016%2F0014-5793%2891%2980011-Q&rft.aulast=Lantz&rft.aufirst=I&rft.au=Gl%C3%A4msta%2C+EL&rft.au=Talb%C3%A4ck%2C+L&rft.au=Nyberg%2C+F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHemorphin-4" class="Z3988"></span></span> </li> <li id="cite_note-pmid20487892-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-pmid20487892_6-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBenuckBergMarks1982" class="citation journal cs1">Benuck M, Berg MJ, Marks N (1982). "Separate metabolic pathways for Leu-enkephalin and Met-enkephalin-Arg(6)-Phe(7) degradation by rat striatal synaptosomal membranes". <i>Neurochemistry International</i>. <b>4</b> (5): 389–96. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2F0197-0186%2882%2990081-X">10.1016/0197-0186(82)90081-X</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/20487892">20487892</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:23138078">23138078</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Neurochemistry+International&rft.atitle=Separate+metabolic+pathways+for+Leu-enkephalin+and+Met-enkephalin-Arg%286%29-Phe%287%29+degradation+by+rat+striatal+synaptosomal+membranes&rft.volume=4&rft.issue=5&rft.pages=389-96&rft.date=1982&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A23138078%23id-name%3DS2CID&rft_id=info%3Apmid%2F20487892&rft_id=info%3Adoi%2F10.1016%2F0197-0186%2882%2990081-X&rft.aulast=Benuck&rft.aufirst=M&rft.au=Berg%2C+MJ&rft.au=Marks%2C+N&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHemorphin-4" class="Z3988"></span></span> </li> </ol></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Peptides:_neuropeptides" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Neuropeptides" title="Template:Neuropeptides"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Neuropeptides" title="Template talk:Neuropeptides"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Neuropeptides" title="Special:EditPage/Template:Neuropeptides"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Peptides:_neuropeptides" style="font-size:114%;margin:0 4em"><a href="/wiki/Peptide" title="Peptide">Peptides</a>: <a href="/wiki/Neuropeptide" title="Neuropeptide">neuropeptides</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Hormones</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"><i>see <a href="/wiki/Template:Hormones" title="Template:Hormones">hormones</a></i></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Opioid_peptide" title="Opioid peptide">Opioid peptides</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:12em"><a href="/wiki/Dynorphin" title="Dynorphin">Dynorphins</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dynorphin_A" title="Dynorphin A">Dynorphin A</a> <ul><li><a href="/wiki/Dynorphin_A1%E2%80%938" class="mw-redirect" title="Dynorphin A1–8">Dynorphin A<sub>1–8</sub></a></li></ul></li> <li><a href="/wiki/Dynorphin_B" title="Dynorphin B">Dynorphin B</a></li> <li><a href="/wiki/Big_dynorphin" title="Big dynorphin">Big dynorphin</a></li> <li><a href="/wiki/Leumorphin" title="Leumorphin">Leumorphin</a></li> <li><a href="/wiki/Alpha-Neoendorphin" class="mw-redirect" title="Alpha-Neoendorphin">α-Neoendorphin</a></li> <li><a href="/wiki/Beta-Neoendorphin" class="mw-redirect" title="Beta-Neoendorphin">β-Neoendorphin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:12em"><a href="/wiki/Endomorphin" title="Endomorphin">Endomorphins</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Endomorphin-1" title="Endomorphin-1">Endomorphin-1</a></li> <li><a href="/wiki/Endomorphin-2" title="Endomorphin-2">Endomorphin-2</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:12em"><a href="/wiki/Endorphins" title="Endorphins">Endorphins</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alpha-Endorphin" class="mw-redirect" title="Alpha-Endorphin">α-Endorphin</a></li> <li><a href="/wiki/Beta-Endorphin" class="mw-redirect" title="Beta-Endorphin">β-Endorphin</a></li> <li><a href="/wiki/Gamma-Endorphin" class="mw-redirect" title="Gamma-Endorphin">γ-Endorphin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:12em"><a href="/wiki/Enkephalin" title="Enkephalin">Enkephalins</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Met-enkephalin" title="Met-enkephalin">Met-enkephalin</a></li> <li><a href="/wiki/Leu-enkephalin" title="Leu-enkephalin">Leu-enkephalin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:12em">Others</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adrenorphin" title="Adrenorphin">Adrenorphin</a></li> <li><a href="/wiki/Amidorphin" title="Amidorphin">Amidorphin</a></li> <li><a href="/wiki/Hemorphin" title="Hemorphin">Hemorphin</a> <ul><li><a class="mw-selflink selflink">Hemorphin-4</a></li></ul></li> <li><a href="/wiki/Nociceptin" title="Nociceptin">Nociceptin</a></li> <li><a href="/wiki/Opiorphin" title="Opiorphin">Opiorphin</a></li> <li><a href="/wiki/Spinorphin" title="Spinorphin">Spinorphin</a></li> <li><a href="/wiki/Valorphin" title="Valorphin">Valorphin</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other<br /> neuropeptides</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:12em"><a href="/wiki/Kinin" title="Kinin">Kinins</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <dl><dd><a href="/wiki/Bradykinin" title="Bradykinin">Bradykinins</a></dd> <dd><a href="/wiki/Tachykinin_peptides" title="Tachykinin peptides">Tachykinins</a>: mammal <ul><li><a href="/wiki/Substance_P" title="Substance P">Substance P</a></li> <li><a href="/wiki/Neurokinin_A" title="Neurokinin A">Neurokinin A</a></li> <li><a href="/wiki/Neurokinin_B" title="Neurokinin B">Neurokinin B</a></li></ul></dd> <dd>amphibian <ul><li><a href="/wiki/Kassinin" title="Kassinin">Kassinin</a></li> <li><a href="/wiki/Physalaemin" title="Physalaemin">Physalaemin</a></li></ul></dd></dl> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:12em">Neuromedins</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Neuromedin_B" title="Neuromedin B">B</a></li> <li><a href="/wiki/Neuromedin_N" title="Neuromedin N">N</a></li> <li><a href="/wiki/Neuromedin_S" title="Neuromedin S">S</a></li> <li><a href="/wiki/Neuromedin_U" title="Neuromedin U">U</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:12em"><a href="/wiki/Orexin" title="Orexin">Orexins</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Orexin-A" title="Orexin-A">A</a></li> <li><a href="/wiki/Orexin_B" class="mw-redirect" title="Orexin B">B</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:12em">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Angiotensin" title="Angiotensin">Angiotensin</a></li> <li><a href="/wiki/Bombesin" title="Bombesin">Bombesin</a></li> <li><a href="/wiki/Calcitonin_gene-related_peptide" title="Calcitonin gene-related peptide">Calcitonin gene-related peptide</a></li> <li><a href="/wiki/Carnosine" title="Carnosine">Carnosine</a></li> <li><a href="/wiki/Cocaine_and_amphetamine_regulated_transcript" title="Cocaine and amphetamine regulated transcript">Cocaine- and amphetamine-regulated transcript</a></li> <li><a href="/wiki/Delta-sleep-inducing_peptide" title="Delta-sleep-inducing peptide">Delta-sleep-inducing peptide</a></li> <li><a href="/wiki/FMRFamide" title="FMRFamide">FMRFamide</a></li> <li><a href="/wiki/Galanin" title="Galanin">Galanin</a></li> <li><a href="/wiki/Galanin-like_peptide" title="Galanin-like peptide">Galanin-like peptide</a></li> <li><a href="/wiki/Gastrin-releasing_peptide" title="Gastrin-releasing peptide">Gastrin-releasing peptide</a></li> <li><a href="/wiki/Ghrelin" title="Ghrelin">Ghrelin</a></li> <li><a href="/w/index.php?title=Neuropeptide_AF&action=edit&redlink=1" class="new" title="Neuropeptide AF (page does not exist)">Neuropeptide AF</a></li> <li><a href="/wiki/Neuropeptide_FF" title="Neuropeptide FF">Neuropeptide FF</a></li> <li><a href="/w/index.php?title=Neuropeptide_SF&action=edit&redlink=1" class="new" title="Neuropeptide SF (page does not exist)">Neuropeptide SF</a></li> <li><a href="/w/index.php?title=Neuropeptide_VF&action=edit&redlink=1" class="new" title="Neuropeptide VF (page does not exist)">Neuropeptide VF</a></li> <li><a href="/wiki/Neuropeptide_S" title="Neuropeptide S">Neuropeptide S</a></li> <li><a href="/wiki/Neuropeptide_Y" title="Neuropeptide Y">Neuropeptide Y</a></li> <li><a href="/wiki/Neurophysins" title="Neurophysins">Neurophysins</a></li> <li><a href="/wiki/Neurotensin" title="Neurotensin">Neurotensin</a></li> <li><a href="/wiki/Pancreatic_polypeptide" title="Pancreatic polypeptide">Pancreatic polypeptide</a></li> <li><a href="/wiki/Pituitary_adenylate_cyclase-activating_peptide" title="Pituitary adenylate cyclase-activating peptide">Pituitary adenylate cyclase-activating peptide</a></li> <li><a href="/wiki/RVD-Hp%CE%B1" title="RVD-Hpα">RVD-Hpα</a></li> <li><a href="/wiki/VGF" title="VGF">VGF</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Opioid_receptor_modulators" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Opioid_receptor_modulators" title="Template:Opioid receptor modulators"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Opioid_receptor_modulators" title="Template talk:Opioid receptor modulators"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Opioid_receptor_modulators" title="Special:EditPage/Template:Opioid receptor modulators"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Opioid_receptor_modulators" style="font-size:114%;margin:0 4em"><a href="/wiki/Opioid_receptor" title="Opioid receptor">Opioid receptor</a> <a href="/wiki/Receptor_modulator" title="Receptor modulator">modulators</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/%CE%9C-opioid_receptor" title="Μ-opioid receptor">μ-opioid</a><br />(MOR)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Agonists(abridged;_full_list)" scope="row" class="navbox-group" style="width:1%">Agonists<br />(abridged;<br /> <a href="/wiki/List_of_opioids" title="List of opioids">full list</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/3-HO-PCP" title="3-HO-PCP">3-HO-PCP</a></li> <li><a href="/w/index.php?title=7-Acetoxymitragynine&action=edit&redlink=1" class="new" title="7-Acetoxymitragynine (page does not exist)">7-Acetoxymitragynine</a></li> <li><a href="/wiki/7-Hydroxymitragynine" title="7-Hydroxymitragynine">7-Hydroxymitragynine</a></li> <li><a href="/w/index.php?title=%CE%A8-Akuammigine&action=edit&redlink=1" class="new" title="Ψ-Akuammigine (page does not exist)">ψ-Akuammigine</a></li> <li><a href="/wiki/Chlornaltrexamine" class="mw-redirect" title="Chlornaltrexamine">α-Chlornaltrexamine</a></li> <li><a href="/w/index.php?title=Alpha-Narcotine&action=edit&redlink=1" class="new" title="Alpha-Narcotine (page does not exist)">α-Narcotine</a></li> <li><a href="/wiki/Acetyldihydrocodeine" title="Acetyldihydrocodeine">Acetyldihydrocodeine</a></li> <li><a href="/wiki/Acetylfentanyl" title="Acetylfentanyl">Acetylfentanyl</a></li> <li><a href="/wiki/Acrylfentanyl" title="Acrylfentanyl">Acrylfentanyl</a></li> <li><a href="/wiki/Adrenorphin" title="Adrenorphin">Adrenorphin (metorphamide)</a></li> <li><a href="/wiki/AH-7921" title="AH-7921">AH-7921</a></li> <li><a href="/wiki/Akuammicine" title="Akuammicine">Akuammicine</a></li> <li><a href="/w/index.php?title=Akuammidine&action=edit&redlink=1" class="new" title="Akuammidine (page does not exist)">Akuammidine</a></li> <li><a href="/wiki/Alfentanil" title="Alfentanil">Alfentanil</a></li> <li><a href="/wiki/Anileridine" title="Anileridine">Anileridine</a></li> <li><a href="/wiki/Apparicine" title="Apparicine">Apparicine</a></li> <li><a href="/wiki/Beta-Endorphin" class="mw-redirect" title="Beta-Endorphin">β-Endorphin</a></li> <li><a href="/w/index.php?title=Bovine_adrenal_medullary_peptide-12P&action=edit&redlink=1" class="new" title="Bovine adrenal medullary peptide-12P (page does not exist)">BAM-12P</a></li> <li><a href="/w/index.php?title=Bovine_adrenal_medullary_peptide-18P&action=edit&redlink=1" class="new" title="Bovine adrenal medullary peptide-18P (page does not exist)">BAM-18P</a></li> <li><a href="/w/index.php?title=Bovine_adrenal_medullary_peptide-22P&action=edit&redlink=1" class="new" title="Bovine adrenal medullary peptide-22P (page does not exist)">BAM-22P</a></li> <li><a href="/wiki/Benzhydrocodone" title="Benzhydrocodone">Benzhydrocodone</a></li> <li><a href="/wiki/Benzylmorphine" title="Benzylmorphine">Benzylmorphine</a></li> <li><a href="/wiki/Bezitramide" title="Bezitramide">Bezitramide</a></li> <li><a href="/wiki/Biphalin" title="Biphalin">Biphalin</a></li> <li><a href="/w/index.php?title=BU08070&action=edit&redlink=1" class="new" title="BU08070 (page does not exist)">BU08070</a></li> <li><a href="/wiki/Buprenorphine" title="Buprenorphine">Buprenorphine</a></li> <li><a href="/wiki/Butorphan" class="mw-redirect" title="Butorphan">Butorphan</a></li> <li><a href="/wiki/Butorphanol" title="Butorphanol">Butorphanol</a></li> <li><a href="/wiki/Butyrfentanyl" title="Butyrfentanyl">Butyrfentanyl</a></li> <li><a href="/wiki/BW373U86" title="BW373U86">BW373U86</a></li> <li><a href="/wiki/Carfentanil" title="Carfentanil">Carfentanil</a></li> <li><a href="/wiki/Casokefamide" title="Casokefamide">Casokefamide</a></li> <li><a href="/wiki/Cebranopadol" title="Cebranopadol">Cebranopadol</a></li> <li><a href="/wiki/Chloroxymorphamine" title="Chloroxymorphamine">Chloroxymorphamine</a></li> <li><a href="/wiki/Codeine" title="Codeine">Codeine</a></li> <li><a href="/wiki/DADLE" title="DADLE">DADLE</a></li> <li><a href="/wiki/DAMGO" title="DAMGO">DAMGO (DAGO)</a></li> <li><a href="/wiki/Dermorphin" title="Dermorphin">Dermorphin</a></li> <li><a href="/wiki/Desmetramadol" title="Desmetramadol">Desmetramadol (desmethyltramadol)</a></li> <li><a href="/wiki/Desomorphine" title="Desomorphine">Desomorphine</a></li> <li><a href="/wiki/Dextromoramide" title="Dextromoramide">Dextromoramide</a></li> <li><a href="/wiki/Dextropropoxyphene" title="Dextropropoxyphene">Dextropropoxyphene (propoxyphene)</a></li> <li><a href="/wiki/Dezocine" title="Dezocine">Dezocine</a></li> <li><a href="/wiki/Dimenoxadol" title="Dimenoxadol">Dimenoxadol</a></li> <li><a href="/wiki/Dimethylaminopivalophenone" title="Dimethylaminopivalophenone">Dimethylaminopivalophenone</a></li> <li><a href="/wiki/Eluxadoline" title="Eluxadoline">Eluxadoline</a></li> <li><a href="/wiki/Heroin" title="Heroin">Diamorphine (heroin)</a></li> <li><a href="/wiki/Dihydrocodeine" title="Dihydrocodeine">Dihydrocodeine</a></li> <li><a href="/wiki/Dihydroetorphine" title="Dihydroetorphine">Dihydroetorphine</a></li> <li><a href="/wiki/Dihydromorphine" title="Dihydromorphine">Dihydromorphine</a></li> <li><a href="/wiki/Dinalbuphine_sebacate" title="Dinalbuphine sebacate">Dinalbuphine sebacate</a></li> <li><a href="/wiki/Diphenoxylate" title="Diphenoxylate">Diphenoxylate</a></li> <li><a href="/wiki/Dipipanone" title="Dipipanone">Dipipanone</a></li> <li><a href="/wiki/Dynorphin_A" title="Dynorphin A">Dynorphin A</a></li> <li><a href="/wiki/Embutramide" title="Embutramide">Embutramide</a></li> <li><a href="/wiki/Endomorphin-1" title="Endomorphin-1">Endomorphin-1</a></li> <li><a href="/wiki/Endomorphin-2" title="Endomorphin-2">Endomorphin-2</a></li> <li><a href="/wiki/Eseroline" title="Eseroline">Eseroline</a></li> <li><a href="/wiki/Ethylmorphine" title="Ethylmorphine">Ethylmorphine</a></li> <li><a href="/wiki/Etorphine" title="Etorphine">Etorphine</a></li> <li><a href="/wiki/Fentanyl" title="Fentanyl">Fentanyl</a></li> <li><a href="/wiki/Fluorophen" title="Fluorophen">Fluorophen</a></li> <li><a href="/wiki/Frakefamide" title="Frakefamide">Frakefamide</a></li> <li><a href="/wiki/Furanylfentanyl" title="Furanylfentanyl">Furanylfentanyl</a></li> <li><a class="mw-selflink selflink">Hemorphin-4</a></li> <li><a href="/wiki/Herkinorin" title="Herkinorin">Herkinorin</a></li> <li><a href="/wiki/Hodgkinsine" title="Hodgkinsine">Hodgkinsine</a></li> <li><a href="/wiki/Hydrocodone" title="Hydrocodone">Hydrocodone</a></li> <li><a href="/wiki/Hydromorphinol" title="Hydromorphinol">Hydromorphinol</a></li> <li><a href="/wiki/Hydromorphone" title="Hydromorphone">Hydromorphone</a></li> <li><a href="/wiki/IBNtxA" title="IBNtxA">IBNtxA</a></li> <li><a href="/wiki/Ketamine" title="Ketamine">Ketamine</a></li> <li><a href="/wiki/Ketobemidone" title="Ketobemidone">Ketobemidone</a></li> <li><a href="/wiki/Mitragyna_speciosa" title="Mitragyna speciosa">Kratom</a></li> <li><a href="/wiki/Laudanosine" title="Laudanosine">Laudanosine</a></li> <li><a href="/wiki/Lefetamine" title="Lefetamine">Lefetamine</a></li> <li><a href="/wiki/Leu-enkephalin" title="Leu-enkephalin">Leu-enkephalin</a></li> <li><a href="/wiki/Levacetylmethadol" title="Levacetylmethadol">Levacetylmethadol</a></li> <li><a href="/wiki/Levomethorphan" title="Levomethorphan">Levomethorphan</a></li> <li><a href="/wiki/Levorphanol" title="Levorphanol">Levorphanol</a></li> <li><a href="/w/index.php?title=Lexanopadol&action=edit&redlink=1" class="new" title="Lexanopadol (page does not exist)">Lexanopadol</a></li> <li><a href="/wiki/Loperamide" title="Loperamide">Loperamide</a></li> <li><a href="/wiki/Loxicodegol" class="mw-redirect" title="Loxicodegol">Loxicodegol</a></li> <li><a href="/wiki/LS-115509" title="LS-115509">LS-115509</a></li> <li><a href="/wiki/Matrine" title="Matrine">Matrine</a></li> <li><a href="/wiki/Meptazinol" title="Meptazinol">Meptazinol</a></li> <li><a href="/wiki/Met-enkephalin" title="Met-enkephalin">Met-enkephalin (metenkefalin)</a></li> <li><a href="/wiki/Methadone" title="Methadone">Methadone</a></li> <li><a href="/wiki/Metkefamide" title="Metkefamide">Metkefamide</a></li> <li><a href="/wiki/Metopon" title="Metopon">Metopon</a></li> <li><a href="/wiki/Mitragynine" title="Mitragynine">Mitragynine</a></li> <li><a href="/wiki/Mitragynine_pseudoindoxyl" title="Mitragynine pseudoindoxyl">Mitragynine pseudoindoxyl</a></li> <li><a href="/wiki/Morphiceptin" title="Morphiceptin">Morphiceptin</a></li> <li><a href="/wiki/Morphine" title="Morphine">Morphine</a></li> <li><a href="/wiki/Nalbuphine" title="Nalbuphine">Nalbuphine</a></li> <li><a href="/w/index.php?title=Naloxone_benzoylhydrazone&action=edit&redlink=1" class="new" title="Naloxone benzoylhydrazone (page does not exist)">NalBzOH</a></li> <li><a href="/wiki/Nalmexone" title="Nalmexone">Nalmexone</a></li> <li><a href="/wiki/Naltalimide" title="Naltalimide">Naltalimide</a></li> <li><a href="/w/index.php?title=Neopine&action=edit&redlink=1" class="new" title="Neopine (page does not exist)">Neopine</a></li> <li><a href="/wiki/NFEPP" title="NFEPP">NFEPP</a></li> <li><a href="/wiki/Nicocodeine" title="Nicocodeine">Nicocodeine</a></li> <li><a href="/wiki/Nicodicodine" title="Nicodicodine">Nicodicodine</a></li> <li><a href="/wiki/Nicomorphine" title="Nicomorphine">Nicomorphine</a></li> <li><a href="/wiki/Norketamine" title="Norketamine">Norketamine</a></li> <li><a href="/wiki/Nufenoxole" title="Nufenoxole">Nufenoxole</a></li> <li><a href="/wiki/Octreotide" title="Octreotide">Octreotide</a></li> <li><a href="/wiki/Oliceridine" title="Oliceridine">Oliceridine</a></li> <li><a href="/wiki/Oxycodegol" title="Oxycodegol">Oxycodegol</a></li> <li><a href="/wiki/Oxymorphone-3-methoxynaltrexonazine" title="Oxymorphone-3-methoxynaltrexonazine">OM-3-MNZ</a></li> <li><a href="/wiki/Oripavine" title="Oripavine">Oripavine</a></li> <li><a href="/wiki/Oxycodone" title="Oxycodone">Oxycodone</a></li> <li><a href="/wiki/Oxymorphazone" title="Oxymorphazone">Oxymorphazone</a></li> <li><a href="/w/index.php?title=Oxymorphonazine&action=edit&redlink=1" class="new" title="Oxymorphonazine (page does not exist)">Oxymorphonazine</a></li> <li><a href="/wiki/Oxymorphone" title="Oxymorphone">Oxymorphone</a></li> <li><a href="/w/index.php?title=Oxymorphone_phenylhydrazone&action=edit&redlink=1" class="new" title="Oxymorphone phenylhydrazone (page does not exist)">Oxymorphone phenylhydrazone</a></li> <li><a href="/w/index.php?title=Oxymorphone_p-nitrophenylhydrazone&action=edit&redlink=1" class="new" title="Oxymorphone p-nitrophenylhydrazone (page does not exist)">OxyPNPH</a></li> <li><i><a href="/wiki/Papaver_somniferum" title="Papaver somniferum">Papaver somniferum</a></i> (<a href="/wiki/Opium" title="Opium">opium</a>)</li> <li><a href="/wiki/Pentazocine" title="Pentazocine">Pentazocine</a></li> <li><a href="/wiki/Pericine" title="Pericine">Pericine</a></li> <li><a href="/wiki/Pethidine" title="Pethidine">Pethidine (meperidine)</a></li> <li><a href="/wiki/Phenazocine" title="Phenazocine">Phenazocine</a></li> <li><a href="/wiki/Phencyclidine" title="Phencyclidine">Phencyclidine</a></li> <li><a href="/wiki/Piminodine" title="Piminodine">Piminodine</a></li> <li><a href="/wiki/Piritramide" title="Piritramide">Piritramide</a></li> <li><a href="/w/index.php?title=PL-017&action=edit&redlink=1" class="new" title="PL-017 (page does not exist)">PL-017</a></li> <li><a href="/wiki/Prodine" title="Prodine">Prodine</a></li> <li><a href="/wiki/Propiram" title="Propiram">Propiram</a></li> <li><a href="/wiki/PZM21" title="PZM21">PZM21</a></li> <li><a href="/wiki/Methorphan" title="Methorphan">Racemethorphan</a></li> <li><a href="/wiki/Racemorphan" title="Racemorphan">Racemorphan</a></li> <li><a href="/wiki/Remifentanil" title="Remifentanil">Remifentanil</a></li> <li><a href="/wiki/Salsolinol" title="Salsolinol">Salsolinol</a></li> <li><a href="/wiki/SC-17599" title="SC-17599">SC-17599</a></li> <li><a href="/wiki/Sinomenine" title="Sinomenine">Sinomenine</a></li> <li><a href="/wiki/Sufentanil" title="Sufentanil">Sufentanil</a></li> <li><a href="/wiki/Tapentadol" title="Tapentadol">Tapentadol</a></li> <li><a href="/wiki/Tetrahydropapaveroline" title="Tetrahydropapaveroline">Tetrahydropapaveroline</a></li> <li><a href="/wiki/TH-030418" title="TH-030418">TH-030418</a></li> <li><a href="/wiki/Thebaine" title="Thebaine">Thebaine</a></li> <li><a href="/wiki/Thienorphine" title="Thienorphine">Thienorphine</a></li> <li><a href="/wiki/Tianeptine" title="Tianeptine">Tianeptine</a></li> <li><a href="/wiki/Tilidine" title="Tilidine">Tilidine</a></li> <li><a href="/wiki/Tramadol" title="Tramadol">Tramadol</a></li> <li><a href="/wiki/Trimebutine" title="Trimebutine">Trimebutine</a></li> <li><a href="/wiki/TRIMU_5" title="TRIMU 5">TRIMU 5</a></li> <li><a href="/wiki/TRV734" title="TRV734">TRV734</a></li> <li><a href="/w/index.php?title=Tubotaiwine&action=edit&redlink=1" class="new" title="Tubotaiwine (page does not exist)">Tubotaiwine</a></li> <li><a href="/wiki/U-47700" title="U-47700">U-47700</a></li> <li><a href="/wiki/Valorphin" title="Valorphin">Valorphin</a></li> <li><a href="/wiki/Viminol" title="Viminol">Viminol</a></li> <li><a href="/wiki/Xorphanol" title="Xorphanol">Xorphanol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Antagonists</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Picenadol" title="Picenadol">(3S,4S)-Picenadol</a></li> <li><a href="/wiki/Viminol" title="Viminol">2-(S)-N,N-(R)-Viminol</a></li> <li><a href="/w/index.php?title=3CS-nalmefene&action=edit&redlink=1" class="new" title="3CS-nalmefene (page does not exist)">3CS-nalmefene</a></li> <li><a href="/wiki/4-Caffeoyl-1,5-quinide" title="4-Caffeoyl-1,5-quinide">4-Caffeoyl-1,5-quinide</a></li> <li><a href="/wiki/4%E2%80%B2-Hydroxyflavanone" class="mw-redirect" title="4′-Hydroxyflavanone">4′-Hydroxyflavanone</a></li> <li><a href="/wiki/4%27,7-Dihydroxyflavone" title="4',7-Dihydroxyflavone">4',7-Dihydroxyflavone</a></li> <li><a href="/wiki/6%CE%B2-Naltrexol" title="6β-Naltrexol">6β-Naltrexol</a></li> <li><a href="/wiki/6%CE%B2-Naltrexol-d4" title="6β-Naltrexol-d4">6β-Naltrexol-d4</a></li> <li><a href="/wiki/18-Methoxycoronaridine" title="18-Methoxycoronaridine">18-MC</a></li> <li><a href="/wiki/Alpha-Gliadin" class="mw-redirect" title="Alpha-Gliadin">α-Gliadin</a></li> <li><a href="/wiki/Chlornaltrexamine" class="mw-redirect" title="Chlornaltrexamine">β-Chlornaltrexamine</a></li> <li><a href="/wiki/Beta-Funaltrexamine" class="mw-redirect" title="Beta-Funaltrexamine">β-Funaltrexamine</a></li> <li><a href="/wiki/Akuammine" title="Akuammine">Akuammine</a></li> <li><a href="/wiki/Alvimopan" title="Alvimopan">Alvimopan</a></li> <li><a href="/wiki/AM-251_(drug)" title="AM-251 (drug)">AM-251</a></li> <li><a href="/wiki/Apigenin" title="Apigenin">Apigenin</a></li> <li><a href="/wiki/AT-076" title="AT-076">AT-076</a></li> <li><a href="/wiki/Axelopran" title="Axelopran">Axelopran</a></li> <li><a href="/wiki/Bevenopran" title="Bevenopran">Bevenopran</a></li> <li><a href="/wiki/Catechin" title="Catechin">Catechin</a></li> <li><a href="/wiki/Epicatechin_gallate" title="Epicatechin gallate">Catechin gallate</a></li> <li><a href="/wiki/Clocinnamox" title="Clocinnamox">Clocinnamox</a></li> <li>CTAP</li> <li><a href="/w/index.php?title=CTOP&action=edit&redlink=1" class="new" title="CTOP (page does not exist)">CTOP</a></li> <li><a href="/w/index.php?title=Cyclofoxy&action=edit&redlink=1" class="new" title="Cyclofoxy (page does not exist)">Cyclofoxy</a></li> <li><a href="/wiki/Cyprodime" title="Cyprodime">Cyprodime</a></li> <li><a href="/wiki/Diacetylnalorphine" title="Diacetylnalorphine">Diacetylnalorphine</a></li> <li><a href="/wiki/Diprenorphine" title="Diprenorphine">Diprenorphine</a></li> <li><a href="/wiki/Epicatechin_gallate" title="Epicatechin gallate">ECG</a></li> <li><a href="/wiki/Gallocatechol" title="Gallocatechol">EGC</a></li> <li><a href="/wiki/Epicatechin" class="mw-redirect" title="Epicatechin">Epicatechin</a></li> <li><a href="/wiki/Eptazocine" title="Eptazocine">Eptazocine</a></li> <li><a href="/wiki/Gemazocine" title="Gemazocine">Gemazocine</a></li> <li><a href="/w/index.php?title=Ginsenoside_R&action=edit&redlink=1" class="new" title="Ginsenoside R (page does not exist)">Ginsenoside R</a></li> <li><a href="/wiki/Hyperoside" title="Hyperoside">Hyperoside</a></li> <li><a href="/wiki/Ibogaine" title="Ibogaine">Ibogaine</a></li> <li><a href="/wiki/JDTic" title="JDTic">JDTic</a></li> <li><a href="/wiki/Levallorphan" title="Levallorphan">Levallorphan</a></li> <li><a href="/wiki/Lobeline" title="Lobeline">Lobeline</a></li> <li><a href="/wiki/LY-255582" title="LY-255582">LY-255582</a></li> <li><a href="/wiki/LY-2196044" class="mw-redirect" title="LY-2196044">LY-2196044</a></li> <li><a href="/wiki/Methocinnamox" title="Methocinnamox">Methocinnamox</a></li> <li><a href="/wiki/Methylnaltrexone" title="Methylnaltrexone">Methylnaltrexone</a></li> <li><a href="/w/index.php?title=Methylsamidorphan_chloride&action=edit&redlink=1" class="new" title="Methylsamidorphan chloride (page does not exist)">Methylsamidorphan chloride</a></li> <li><a href="/wiki/Naldemedine" title="Naldemedine">Naldemedine</a></li> <li><a href="/wiki/Nalmefene" title="Nalmefene">Nalmefene</a></li> <li><a href="/wiki/Nalodeine" title="Nalodeine">Nalodeine (N-allylnorcodeine)</a></li> <li><a href="/wiki/Nalorphine" title="Nalorphine">Nalorphine</a></li> <li><a href="/wiki/Nalorphine_dinicotinate" title="Nalorphine dinicotinate">Nalorphine dinicotinate</a></li> <li><a href="/wiki/Naloxazone" title="Naloxazone">Naloxazone</a></li> <li><a href="/wiki/Naloxegol" title="Naloxegol">Naloxegol</a></li> <li><a href="/wiki/Naloxol" title="Naloxol">Naloxol</a></li> <li><a href="/wiki/Naloxonazine" title="Naloxonazine">Naloxonazine</a></li> <li><a href="/wiki/Naloxone" title="Naloxone">Naloxone</a></li> <li><a href="/w/index.php?title=Naltrexazone&action=edit&redlink=1" class="new" title="Naltrexazone (page does not exist)">Naltrexazone</a></li> <li><a href="/w/index.php?title=Naltrexonazine&action=edit&redlink=1" class="new" title="Naltrexonazine (page does not exist)">Naltrexonazine</a></li> <li><a href="/wiki/Naltrexone" title="Naltrexone">Naltrexone</a></li> <li><a href="/wiki/Naltrindole" title="Naltrindole">Naltrindole</a></li> <li><a href="/wiki/Naringenin" title="Naringenin">Naringenin</a></li> <li><a href="/wiki/Noribogaine" title="Noribogaine">Noribogaine</a></li> <li><a href="/wiki/Oxilorphan" title="Oxilorphan">Oxilorphan</a></li> <li><a href="/wiki/Pawhuskin_A" title="Pawhuskin A">Pawhuskin A</a></li> <li><a href="/wiki/Rimonabant" title="Rimonabant">Rimonabant</a></li> <li><a href="/wiki/Quadazocine" title="Quadazocine">Quadazocine</a></li> <li><a href="/wiki/Samidorphan" title="Samidorphan">Samidorphan</a></li> <li><a href="/wiki/Taxifolin" title="Taxifolin">Taxifolin</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/%CE%94-opioid_receptor" title="Δ-opioid receptor">δ-opioid</a><br />(DOR)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Agonists</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=3CS-nalmefene&action=edit&redlink=1" class="new" title="3CS-nalmefene (page does not exist)">3CS-nalmefene</a></li> <li><a href="/wiki/6%27-Guanidinonaltrindole" title="6'-Guanidinonaltrindole">6'-GNTI</a></li> <li><a href="/wiki/7-Spiroindanyloxymorphone" title="7-Spiroindanyloxymorphone">7-SIOM</a></li> <li><a href="/wiki/ADL-5747" title="ADL-5747">ADL-5747 (PF-04856881)</a></li> <li><a href="/wiki/ADL-5859" title="ADL-5859">ADL-5859</a></li> <li><a href="/wiki/Alazocine" title="Alazocine">Alazocine (SKF-10047)</a></li> <li><a href="/wiki/Amoxapine" title="Amoxapine">Amoxapine</a></li> <li><a href="/wiki/ARM390" title="ARM390">AR-M100390 (ARM390)</a></li> <li><a href="/wiki/AZD2327" class="mw-redirect" title="AZD2327">AZD2327</a></li> <li><a href="/wiki/Beta-Endorphin" class="mw-redirect" title="Beta-Endorphin">β-Endorphin</a></li> <li><a href="/w/index.php?title=Bovine_adrenal_medullary_peptide-18P&action=edit&redlink=1" class="new" title="Bovine adrenal medullary peptide-18P (page does not exist)">BAM-18P</a></li> <li><a href="/wiki/Biphalin" title="Biphalin">Biphalin</a></li> <li><a href="/wiki/BU-48" title="BU-48">BU-48</a></li> <li><a href="/wiki/Butorphan" class="mw-redirect" title="Butorphan">Butorphan</a></li> <li><a href="/wiki/Butorphanol" title="Butorphanol">Butorphanol</a></li> <li><a href="/wiki/BW373U86" title="BW373U86">BW373U86</a></li> <li><a href="/wiki/Casokefamide" title="Casokefamide">Casokefamide</a></li> <li><a href="/wiki/Cebranopadol" title="Cebranopadol">Cebranopadol</a></li> <li><a href="/wiki/Codeine" title="Codeine">Codeine</a></li> <li><a href="/wiki/Cyclazocine" title="Cyclazocine">Cyclazocine</a></li> <li><a href="/wiki/DADLE" title="DADLE">DADLE</a></li> <li><a href="/wiki/Deltorphin" title="Deltorphin">Deltorphin A</a></li> <li><a href="/wiki/Deltorphin_I" title="Deltorphin I">Deltorphin I</a></li> <li><a href="/w/index.php?title=Deltorphin_II&action=edit&redlink=1" class="new" title="Deltorphin II (page does not exist)">Deltorphin II</a></li> <li><a href="/wiki/Desmethylclozapine" title="Desmethylclozapine">Desmethylclozapine</a></li> <li><a href="/wiki/Desmetramadol" title="Desmetramadol">Desmetramadol (desmethyltramadol)</a></li> <li><a href="/wiki/Dezocine" title="Dezocine">Dezocine</a></li> <li><a href="/wiki/Heroin" title="Heroin">Diamorphine (heroin)</a></li> <li><a href="/wiki/Dihydroetorphine" title="Dihydroetorphine">Dihydroetorphine</a></li> <li><a href="/wiki/Dihydromorphine" title="Dihydromorphine">Dihydromorphine</a></li> <li><a href="/wiki/DPDPE" title="DPDPE">DPDPE</a></li> <li><a href="/wiki/DPI-221" title="DPI-221">DPI-221</a></li> <li><a href="/wiki/DPI-3290" title="DPI-3290">DPI-3290</a></li> <li><a href="/w/index.php?title=(D-Ser2,_Leu5,_Thr6)-Enkephalin&action=edit&redlink=1" class="new" title="(D-Ser2, Leu5, Thr6)-Enkephalin (page does not exist)">DSLET</a></li> <li><a href="/wiki/Ethylketazocine" title="Ethylketazocine">Ethylketazocine</a></li> <li><a href="/wiki/Etorphine" title="Etorphine">Etorphine</a></li> <li><a href="/wiki/Fentanyl" title="Fentanyl">Fentanyl</a></li> <li><a href="/w/index.php?title=Fentanyl_isothiocyanate&action=edit&redlink=1" class="new" title="Fentanyl isothiocyanate (page does not exist)">FIT</a></li> <li><a href="/wiki/Fluorophen" title="Fluorophen">Fluorophen</a></li> <li><a class="mw-selflink selflink">Hemorphin-4</a></li> <li><a href="/wiki/Hydrocodone" title="Hydrocodone">Hydrocodone</a></li> <li><a href="/wiki/Hydromorphone" title="Hydromorphone">Hydromorphone</a></li> <li><a href="/wiki/Ibogaine" title="Ibogaine">Ibogaine</a></li> <li><a href="/wiki/Isomethadone" title="Isomethadone">Isomethadone</a></li> <li><a href="/wiki/JNJ-20788560" title="JNJ-20788560">JNJ-20788560</a></li> <li><a href="/wiki/KNT-127" title="KNT-127">KNT-127</a></li> <li><a href="/wiki/Mitragyna_speciosa" title="Mitragyna speciosa">Kratom</a></li> <li><a href="/wiki/Laudanosine" title="Laudanosine">Laudanosine</a></li> <li><a href="/wiki/Leu-enkephalin" title="Leu-enkephalin">Leu-enkephalin</a></li> <li><a href="/wiki/Levomethorphan" title="Levomethorphan">Levomethorphan</a></li> <li><a href="/wiki/Levorphanol" title="Levorphanol">Levorphanol</a></li> <li><a href="/w/index.php?title=Lexanopadol&action=edit&redlink=1" class="new" title="Lexanopadol (page does not exist)">Lexanopadol</a></li> <li><a href="/wiki/Lofentanil" title="Lofentanil">Lofentanil</a></li> <li><a href="/wiki/Met-enkephalin" title="Met-enkephalin">Met-enkephalin (metenkefalin)</a></li> <li><a href="/wiki/Metazocine" title="Metazocine">Metazocine</a></li> <li><a href="/wiki/Metkefamide" title="Metkefamide">Metkefamide</a></li> <li><a href="/wiki/Mitragynine" title="Mitragynine">Mitragynine</a></li> <li><a href="/wiki/Mitragynine_pseudoindoxyl" title="Mitragynine pseudoindoxyl">Mitragynine pseudoindoxyl</a></li> <li><a href="/wiki/Morphine" title="Morphine">Morphine</a></li> <li><a href="/wiki/N-Phenethyl-14-ethoxymetopon" title="N-Phenethyl-14-ethoxymetopon">N-Phenethyl-14-ethoxymetopon</a></li> <li><a href="/wiki/Norbuprenorphine" title="Norbuprenorphine">Norbuprenorphine</a></li> <li><a href="/w/index.php?title=Naloxone_benzoylhydrazone&action=edit&redlink=1" class="new" title="Naloxone benzoylhydrazone (page does not exist)">NalBzOH</a></li> <li><a href="/wiki/Oripavine" title="Oripavine">Oripavine</a></li> <li><a href="/wiki/Oxycodone" title="Oxycodone">Oxycodone</a></li> <li><a href="/wiki/Oxymorphone" title="Oxymorphone">Oxymorphone</a></li> <li><a href="/wiki/Pethidine" title="Pethidine">Pethidine (meperidine)</a></li> <li><a href="/wiki/Proglumide" title="Proglumide">Proglumide</a></li> <li><a href="/wiki/Methorphan" title="Methorphan">Racemethorphan</a></li> <li><a href="/wiki/Racemorphan" title="Racemorphan">Racemorphan</a></li> <li><a href="/wiki/RWJ-394674" title="RWJ-394674">RWJ-394674</a></li> <li><a href="/wiki/Samidorphan" title="Samidorphan">Samidorphan</a></li> <li><a href="/w/index.php?title=SB-235863&action=edit&redlink=1" class="new" title="SB-235863 (page does not exist)">SB-235863</a></li> <li><a href="/wiki/SNC-80" title="SNC-80">SNC-80</a></li> <li><a href="/w/index.php?title=SNC-162&action=edit&redlink=1" class="new" title="SNC-162 (page does not exist)">SNC-162</a></li> <li><a href="/wiki/TAN-67" title="TAN-67">TAN-67 (SB-205,607)</a></li> <li><a href="/wiki/TH-030418" title="TH-030418">TH-030418</a></li> <li><a href="/wiki/Thebaine" title="Thebaine">Thebaine</a></li> <li><a href="/wiki/C-8813" title="C-8813">Thiobromadol (C-8813)</a></li> <li><a href="/wiki/Tonazocine" title="Tonazocine">Tonazocine</a></li> <li><a href="/wiki/Tramadol" title="Tramadol">Tramadol</a></li> <li><a href="/w/index.php?title=TRV250&action=edit&redlink=1" class="new" title="TRV250 (page does not exist)">TRV250</a></li> <li><a href="/wiki/Xorphanol" title="Xorphanol">Xorphanol</a></li> <li><a href="/wiki/Zenazocine" title="Zenazocine">Zenazocine</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Antagonists</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/4%27,7-Dihydroxyflavone" title="4',7-Dihydroxyflavone">4',7-Dihydroxyflavone</a></li> <li><a href="/w/index.php?title=Naltrindole-5%27-isothiocyanate&action=edit&redlink=1" class="new" title="Naltrindole-5'-isothiocyanate (page does not exist)">5'-NTII</a></li> <li><a href="/wiki/6%CE%B2-Naltrexol" title="6β-Naltrexol">6β-Naltrexol</a></li> <li><a href="/wiki/6%CE%B2-Naltrexol-d4" title="6β-Naltrexol-d4">6β-Naltrexol-d4</a></li> <li><a href="/w/index.php?title=Alpha-Santolol&action=edit&redlink=1" class="new" title="Alpha-Santolol (page does not exist)">α-Santolol</a></li> <li><a href="/wiki/Chlornaltrexamine" class="mw-redirect" title="Chlornaltrexamine">β-Chlornaltrexamine</a></li> <li><a href="/wiki/Apigenin" title="Apigenin">Apigenin</a></li> <li><a href="/wiki/AT-076" title="AT-076">AT-076</a></li> <li><a href="/wiki/Axelopran" title="Axelopran">Axelopran</a></li> <li><a href="/wiki/Bevenopran" title="Bevenopran">Bevenopran</a></li> <li><a href="/w/index.php?title=7-Benzylidenenaltrexone&action=edit&redlink=1" class="new" title="7-Benzylidenenaltrexone (page does not exist)">BNTX</a></li> <li><a href="/wiki/Catechin" title="Catechin">Catechin</a></li> <li><a href="/wiki/Epicatechin_gallate" title="Epicatechin gallate">Catechin gallate</a></li> <li><a href="/wiki/Clocinnamox" title="Clocinnamox">Clocinnamox</a></li> <li><a href="/wiki/Diacetylnalorphine" title="Diacetylnalorphine">Diacetylnalorphine</a></li> <li><a href="/wiki/Diprenorphine" title="Diprenorphine">Diprenorphine</a></li> <li><a href="/wiki/Epicatechin_gallate" title="Epicatechin gallate">ECG</a></li> <li><a href="/wiki/Gallocatechol" title="Gallocatechol">EGC</a></li> <li><a href="/wiki/Eluxadoline" title="Eluxadoline">Eluxadoline</a></li> <li><a href="/wiki/Epicatechin" class="mw-redirect" title="Epicatechin">Epicatechin</a></li> <li><a href="/w/index.php?title=ICI-154129&action=edit&redlink=1" class="new" title="ICI-154129 (page does not exist)">ICI-154129</a></li> <li><a href="/w/index.php?title=ICI-174864&action=edit&redlink=1" class="new" title="ICI-174864 (page does not exist)">ICI-174864</a></li> <li><a href="/wiki/LY-255582" title="LY-255582">LY-255582</a></li> <li><a href="/wiki/LY-2196044" class="mw-redirect" title="LY-2196044">LY-2196044</a></li> <li><a href="/wiki/Methylnaltrexone" title="Methylnaltrexone">Methylnaltrexone</a></li> <li><a href="/w/index.php?title=Methylnaltrindole&action=edit&redlink=1" class="new" title="Methylnaltrindole (page does not exist)">Methylnaltrindole</a></li> <li><a href="/w/index.php?title=N-Benzylnaltrindole&action=edit&redlink=1" class="new" title="N-Benzylnaltrindole (page does not exist)">N-Benzylnaltrindole</a></li> <li><a href="/wiki/Nalmefene" title="Nalmefene">Nalmefene</a></li> <li><a href="/wiki/Nalorphine" title="Nalorphine">Nalorphine</a></li> <li><a href="/wiki/Naltrexone" title="Naltrexone">Naltrexone</a></li> <li><a href="/wiki/Naltriben" title="Naltriben">Naltriben</a></li> <li><a href="/wiki/Naltrindole" title="Naltrindole">Naltrindole</a></li> <li><a href="/wiki/Naloxone" title="Naloxone">Naloxone</a></li> <li><a href="/wiki/Naringenin" title="Naringenin">Naringenin</a></li> <li><a href="/wiki/Noribogaine" title="Noribogaine">Noribogaine</a></li> <li><a href="/wiki/Pawhuskin_A" title="Pawhuskin A">Pawhuskin A</a></li> <li><a href="/wiki/Quadazocine" title="Quadazocine">Quadazocine</a></li> <li><a href="/w/index.php?title=SDM25N&action=edit&redlink=1" class="new" title="SDM25N (page does not exist)">SDM25N</a></li> <li><a href="/wiki/SoRI-9409" title="SoRI-9409">SoRI-9409</a></li> <li><a href="/wiki/Taxifolin" title="Taxifolin">Taxifolin</a></li> <li><a href="/wiki/Thienorphine" title="Thienorphine">Thienorphine</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/%CE%9A-opioid_receptor" title="Κ-opioid receptor">κ-opioid</a><br />(KOR)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Agonists</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=3CS-nalmefene&action=edit&redlink=1" class="new" title="3CS-nalmefene (page does not exist)">3CS-nalmefene</a></li> <li><a href="/wiki/6%27-Guanidinonaltrindole" title="6'-Guanidinonaltrindole">6'-GNTI</a></li> <li><a href="/wiki/8-Carboxamidocyclazocine" title="8-Carboxamidocyclazocine">8-CAC</a></li> <li><a href="/wiki/18-Methoxycoronaridine" title="18-Methoxycoronaridine">18-MC</a></li> <li><a href="/wiki/14-Methoxymetopon" title="14-Methoxymetopon">14-Methoxymetopon</a></li> <li><a href="/wiki/Chlornaltrexamine" class="mw-redirect" title="Chlornaltrexamine">β-Chlornaltrexamine</a></li> <li><a href="/wiki/Beta-Funaltrexamine" class="mw-redirect" title="Beta-Funaltrexamine">β-Funaltrexamine</a></li> <li><a href="/wiki/Adrenorphin" title="Adrenorphin">Adrenorphin (metorphamide)</a></li> <li><a href="/wiki/Akuammicine" title="Akuammicine">Akuammicine</a></li> <li><a href="/wiki/Alazocine" title="Alazocine">Alazocine (SKF-10047)</a></li> <li><a href="/wiki/Allomatrine" class="mw-redirect" title="Allomatrine">Allomatrine</a></li> <li><a href="/w/index.php?title=Apadoline&action=edit&redlink=1" class="new" title="Apadoline (page does not exist)">Apadoline</a></li> <li><a href="/wiki/Asimadoline" title="Asimadoline">Asimadoline</a></li> <li><a href="/w/index.php?title=Bovine_adrenal_medullary_peptide-12P&action=edit&redlink=1" class="new" title="Bovine adrenal medullary peptide-12P (page does not exist)">BAM-12P</a></li> <li><a href="/w/index.php?title=Bovine_adrenal_medullary_peptide-18P&action=edit&redlink=1" class="new" title="Bovine adrenal medullary peptide-18P (page does not exist)">BAM-18P</a></li> <li><a href="/w/index.php?title=Bovine_adrenal_medullary_peptide-22P&action=edit&redlink=1" class="new" title="Bovine adrenal medullary peptide-22P (page does not exist)">BAM-22P</a></li> <li><a href="/wiki/Big_dynorphin" title="Big dynorphin">Big dynorphin</a></li> <li><a href="/wiki/Bremazocine" title="Bremazocine">Bremazocine</a></li> <li><a href="/wiki/BRL-52537" title="BRL-52537">BRL-52537</a></li> <li><a href="/wiki/Butorphan" class="mw-redirect" title="Butorphan">Butorphan</a></li> <li><a href="/wiki/Butorphanol" title="Butorphanol">Butorphanol</a></li> <li><a href="/wiki/BW373U86" title="BW373U86">BW373U86</a></li> <li><a href="/wiki/Cebranopadol" title="Cebranopadol">Cebranopadol</a></li> <li><a href="/wiki/Ciprefadol" title="Ciprefadol">Ciprefadol</a></li> <li><a href="/wiki/CR665" title="CR665">CR665</a></li> <li><a href="/wiki/Cyclazocine" title="Cyclazocine">Cyclazocine</a></li> <li><a href="/wiki/Cyclorphan" title="Cyclorphan">Cyclorphan</a></li> <li><a href="/wiki/Cyprenorphine" title="Cyprenorphine">Cyprenorphine</a></li> <li><a href="/wiki/Desmetramadol" title="Desmetramadol">Desmetramadol (desmethyltramadol)</a></li> <li><a href="/wiki/Heroin" title="Heroin">Diamorphine (heroin)</a></li> <li><a href="/wiki/Diacetylnalorphine" title="Diacetylnalorphine">Diacetylnalorphine</a></li> <li><a href="/wiki/Difelikefalin" title="Difelikefalin">Difelikefalin</a></li> <li><a href="/wiki/Dihydroetorphine" title="Dihydroetorphine">Dihydroetorphine</a></li> <li><a href="/wiki/Dihydromorphine" title="Dihydromorphine">Dihydromorphine</a></li> <li><a href="/wiki/Dinalbuphine_sebacate" title="Dinalbuphine sebacate">Dinalbuphine sebacate</a></li> <li><a href="/wiki/Diprenorphine" title="Diprenorphine">Diprenorphine</a></li> <li><a href="/wiki/Dynorphin_A" title="Dynorphin A">Dynorphin A</a></li> <li><a href="/wiki/Dynorphin_B" title="Dynorphin B">Dynorphin B (rimorphin)</a></li> <li><a href="/wiki/Eluxadoline" title="Eluxadoline">Eluxadoline</a></li> <li><a href="/wiki/Enadoline" title="Enadoline">Enadoline</a></li> <li><a href="/wiki/Eptazocine" title="Eptazocine">Eptazocine</a></li> <li><a href="/w/index.php?title=Erinacine_E&action=edit&redlink=1" class="new" title="Erinacine E (page does not exist)">Erinacine E</a></li> <li><a href="/wiki/Ethylketazocine" title="Ethylketazocine">Ethylketazocine</a></li> <li><a href="/wiki/Etorphine" title="Etorphine">Etorphine</a></li> <li><a href="/wiki/Fedotozine" title="Fedotozine">Fedotozine</a></li> <li><a href="/wiki/Fentanyl" title="Fentanyl">Fentanyl</a></li> <li><a href="/wiki/Gemazocine" title="Gemazocine">Gemazocine</a></li> <li><a href="/wiki/GR-89696" title="GR-89696">GR-89696</a></li> <li><a href="/w/index.php?title=GR-103545&action=edit&redlink=1" class="new" title="GR-103545 (page does not exist)">GR-103545</a></li> <li><a class="mw-selflink selflink">Hemorphin-4</a></li> <li><a href="/wiki/Herkinorin" title="Herkinorin">Herkinorin</a></li> <li><a href="/wiki/HS665" title="HS665">HS665</a></li> <li><a href="/wiki/Hydromorphone" title="Hydromorphone">Hydromorphone</a></li> <li><a href="/wiki/HZ-2" title="HZ-2">HZ-2</a></li> <li><a href="/wiki/Ibogaine" title="Ibogaine">Ibogaine</a></li> <li><a href="/wiki/ICI-199,441" title="ICI-199,441">ICI-199,441</a></li> <li><a href="/wiki/ICI-204,448" title="ICI-204,448">ICI-204,448</a></li> <li><a href="/wiki/Ketamine" title="Ketamine">Ketamine</a></li> <li><a href="/wiki/Ketazocine" title="Ketazocine">Ketazocine</a></li> <li><a href="/wiki/Laudanosine" title="Laudanosine">Laudanosine</a></li> <li><a href="/wiki/Leumorphin" title="Leumorphin">Leumorphin (dynorphin B-29)</a></li> <li><a href="/wiki/Levallorphan" title="Levallorphan">Levallorphan</a></li> <li><a href="/wiki/Levomethorphan" title="Levomethorphan">Levomethorphan</a></li> <li><a href="/wiki/Levorphanol" title="Levorphanol">Levorphanol</a></li> <li><a href="/w/index.php?title=Lexanopadol&action=edit&redlink=1" class="new" title="Lexanopadol (page does not exist)">Lexanopadol</a></li> <li><a href="/wiki/Lofentanil" title="Lofentanil">Lofentanil</a></li> <li><a href="/wiki/LPK-26" title="LPK-26">LPK-26</a></li> <li><a href="/wiki/Lufuradom" title="Lufuradom">Lufuradom</a></li> <li><a href="/wiki/Matrine" title="Matrine">Matrine</a></li> <li><a href="/w/index.php?title=MB-1C-OH&action=edit&redlink=1" class="new" title="MB-1C-OH (page does not exist)">MB-1C-OH</a></li> <li><a href="/wiki/Menthol" title="Menthol">Menthol</a></li> <li><a href="/wiki/Metazocine" title="Metazocine">Metazocine</a></li> <li><a href="/wiki/Metkefamide" title="Metkefamide">Metkefamide</a></li> <li><a href="/wiki/Mianserin" title="Mianserin">Mianserin</a></li> <li><a href="/wiki/Mirtazapine" title="Mirtazapine">Mirtazapine</a></li> <li><a href="/wiki/Morphine" title="Morphine">Morphine</a></li> <li><a href="/wiki/Moxazocine" title="Moxazocine">Moxazocine</a></li> <li><a href="/w/index.php?title=MR-2034&action=edit&redlink=1" class="new" title="MR-2034 (page does not exist)">MR-2034</a></li> <li><a href="/w/index.php?title=N-MPPP&action=edit&redlink=1" class="new" title="N-MPPP (page does not exist)">N-MPPP</a></li> <li><a href="/wiki/Nalbuphine" title="Nalbuphine">Nalbuphine</a></li> <li><a href="/w/index.php?title=Naloxone_benzoylhydrazone&action=edit&redlink=1" class="new" title="Naloxone benzoylhydrazone (page does not exist)">NalBzOH</a></li> <li><a href="/wiki/Nalfurafine" title="Nalfurafine">Nalfurafine</a></li> <li><a href="/wiki/Nalmefene" title="Nalmefene">Nalmefene</a></li> <li><a href="/wiki/Nalodeine" title="Nalodeine">Nalodeine (N-allylnorcodeine)</a></li> <li><a href="/wiki/Nalorphine" title="Nalorphine">Nalorphine</a></li> <li><a href="/wiki/Naltriben" title="Naltriben">Naltriben</a></li> <li><a href="/wiki/Niravoline" title="Niravoline">Niravoline</a></li> <li><a href="/wiki/Norbuprenorphine" title="Norbuprenorphine">Norbuprenorphine</a></li> <li><a href="/wiki/Norbuprenorphine-3-glucuronide" title="Norbuprenorphine-3-glucuronide">Norbuprenorphine-3-glucuronide</a></li> <li><a href="/wiki/Noribogaine" title="Noribogaine">Noribogaine</a></li> <li><a href="/wiki/Norketamine" title="Norketamine">Norketamine</a></li> <li><a href="/wiki/Oripavine" title="Oripavine">Oripavine</a></li> <li><a href="/wiki/Oxilorphan" title="Oxilorphan">Oxilorphan</a></li> <li><a href="/wiki/Oxycodone" title="Oxycodone">Oxycodone</a></li> <li><a href="/wiki/Pentazocine" title="Pentazocine">Pentazocine</a></li> <li><a href="/wiki/Pethidine" title="Pethidine">Pethidine (meperidine)</a></li> <li><a href="/wiki/Phenazocine" title="Phenazocine">Phenazocine</a></li> <li><a href="/wiki/Proxorphan" title="Proxorphan">Proxorphan</a></li> <li><a href="/wiki/Methorphan" title="Methorphan">Racemethorphan</a></li> <li><a href="/wiki/Racemorphan" title="Racemorphan">Racemorphan</a></li> <li><a href="/wiki/RB-64" title="RB-64">RB-64</a></li> <li><a href="/wiki/Salvinorin_A" title="Salvinorin A">Salvinorin A</a> (<a href="/wiki/Salvia_divinorum" title="Salvia divinorum">salvia</a>)</li> <li><a href="/wiki/Salvinorin_B_ethoxymethyl_ether" class="mw-redirect" title="Salvinorin B ethoxymethyl ether">Salvinorin B ethoxymethyl ether</a></li> <li><a href="/wiki/Salvinorin_B_methoxymethyl_ether" title="Salvinorin B methoxymethyl ether">Salvinorin B methoxymethyl ether</a></li> <li><a href="/wiki/Samidorphan" title="Samidorphan">Samidorphan</a></li> <li><a href="/wiki/Spiradoline" title="Spiradoline">Spiradoline (U-62,066)</a></li> <li><a href="/wiki/TH-030418" title="TH-030418">TH-030418</a></li> <li><a href="/wiki/Thienorphine" title="Thienorphine">Thienorphine</a></li> <li><a href="/wiki/Tifluadom" title="Tifluadom">Tifluadom</a></li> <li><a href="/wiki/Tricyclic_antidepressant" title="Tricyclic antidepressant">Tricyclic antidepressants</a> (e.g., <a href="/wiki/Amitriptyline" title="Amitriptyline">amitriptyline</a>, <a href="/wiki/Desipramine" title="Desipramine">desipramine</a>, <a href="/wiki/Imipramine" title="Imipramine">imipramine</a>, <a href="/wiki/Nortriptyline" title="Nortriptyline">nortriptyline</a>)</li> <li><a href="/wiki/U-50488" title="U-50488">U-50488</a></li> <li><a href="/w/index.php?title=U-54,494A&action=edit&redlink=1" class="new" title="U-54,494A (page does not exist)">U-54,494A</a></li> <li><a href="/wiki/U-69,593" title="U-69,593">U-69,593</a></li> <li><a href="/wiki/Xorphanol" title="Xorphanol">Xorphanol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Antagonists</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/4%E2%80%B2-Hydroxyflavanone" class="mw-redirect" title="4′-Hydroxyflavanone">4′-Hydroxyflavanone</a></li> <li><a href="/wiki/4%27,7-Dihydroxyflavone" title="4',7-Dihydroxyflavone">4',7-Dihydroxyflavone</a></li> <li><a href="/wiki/5%27-Guanidinonaltrindole" title="5'-Guanidinonaltrindole">5'-GNTI</a></li> <li><a href="/wiki/6%27-Guanidinonaltrindole" title="6'-Guanidinonaltrindole">6'-GNTI</a></li> <li><a href="/wiki/6%CE%B2-Naltrexol" title="6β-Naltrexol">6β-Naltrexol</a></li> <li><a href="/wiki/6%CE%B2-Naltrexol-d4" title="6β-Naltrexol-d4">6β-Naltrexol-d4</a></li> <li><a href="/wiki/Chlornaltrexamine" class="mw-redirect" title="Chlornaltrexamine">β-Chlornaltrexamine</a></li> <li><a href="/wiki/Buprenorphine/samidorphan" title="Buprenorphine/samidorphan">Buprenorphine/samidorphan</a></li> <li><a href="/wiki/Amentoflavone" title="Amentoflavone">Amentoflavone</a></li> <li><a href="/w/index.php?title=5%27-Acetamidinoethylnaltrindole&action=edit&redlink=1" class="new" title="5'-Acetamidinoethylnaltrindole (page does not exist)">ANTI</a></li> <li><a href="/wiki/Apigenin" title="Apigenin">Apigenin</a></li> <li><a href="/w/index.php?title=Arodyne&action=edit&redlink=1" class="new" title="Arodyne (page does not exist)">Arodyne</a></li> <li><a href="/wiki/AT-076" title="AT-076">AT-076</a></li> <li><a href="/wiki/Aticaprant" title="Aticaprant">Aticaprant</a></li> <li><a href="/wiki/Axelopran" title="Axelopran">Axelopran</a></li> <li><a href="/w/index.php?title=AZ-MTAB&action=edit&redlink=1" class="new" title="AZ-MTAB (page does not exist)">AZ-MTAB</a></li> <li><a href="/wiki/Binaltorphimine" title="Binaltorphimine">Binaltorphimine</a></li> <li><a href="/wiki/BU09059" title="BU09059">BU09059</a></li> <li><a href="/wiki/Buprenorphine" title="Buprenorphine">Buprenorphine</a></li> <li><a href="/wiki/Catechin" title="Catechin">Catechin</a></li> <li><a href="/wiki/Epicatechin_gallate" title="Epicatechin gallate">Catechin gallate</a></li> <li><a href="/wiki/CERC-501" class="mw-redirect" title="CERC-501">CERC-501 (LY-2456302)</a></li> <li><a href="/wiki/Clocinnamox" title="Clocinnamox">Clocinnamox</a></li> <li><a href="/wiki/Icalcaprant" title="Icalcaprant">CVL-354</a></li> <li><a href="/w/index.php?title=Cyclofoxy&action=edit&redlink=1" class="new" title="Cyclofoxy (page does not exist)">Cyclofoxy</a></li> <li><a href="/wiki/Dezocine" title="Dezocine">Dezocine</a></li> <li><a href="/w/index.php?title=DIPPA&action=edit&redlink=1" class="new" title="DIPPA (page does not exist)">DIPPA</a></li> <li><a href="/wiki/Gallocatechol" title="Gallocatechol">EGC</a></li> <li><a href="/wiki/Epicatechin_gallate" title="Epicatechin gallate">ECG</a></li> <li><a href="/wiki/Epicatechin" class="mw-redirect" title="Epicatechin">Epicatechin</a></li> <li><a href="/wiki/Hyperoside" title="Hyperoside">Hyperoside</a></li> <li><a href="/wiki/JDTic" title="JDTic">JDTic</a></li> <li><a href="/wiki/LY-255582" title="LY-255582">LY-255582</a></li> <li><a href="/wiki/LY-2196044" class="mw-redirect" title="LY-2196044">LY-2196044</a></li> <li><a href="/w/index.php?title=LY-2444296&action=edit&redlink=1" class="new" title="LY-2444296 (page does not exist)">LY-2444296</a></li> <li><a href="/wiki/LY-2459989" title="LY-2459989">LY-2459989</a></li> <li><a href="/w/index.php?title=LY-2795050&action=edit&redlink=1" class="new" title="LY-2795050 (page does not exist)">LY-2795050</a></li> <li><a href="/w/index.php?title=MeJDTic&action=edit&redlink=1" class="new" title="MeJDTic (page does not exist)">MeJDTic</a></li> <li><a href="/wiki/Methylnaltrexone" title="Methylnaltrexone">Methylnaltrexone</a></li> <li><a href="/w/index.php?title=ML190&action=edit&redlink=1" class="new" title="ML190 (page does not exist)">ML190</a></li> <li><a href="/w/index.php?title=ML350&action=edit&redlink=1" class="new" title="ML350 (page does not exist)">ML350</a></li> <li><a href="/w/index.php?title=MR-2266&action=edit&redlink=1" class="new" title="MR-2266 (page does not exist)">MR-2266</a></li> <li><a href="/w/index.php?title=N-Fluoropropyl-JDTic&action=edit&redlink=1" class="new" title="N-Fluoropropyl-JDTic (page does not exist)">N-Fluoropropyl-JDTic</a></li> <li><a href="/wiki/Naloxone" title="Naloxone">Naloxone</a></li> <li><a href="/wiki/Naltrexone" title="Naltrexone">Naltrexone</a></li> <li><a href="/wiki/Naltrindole" title="Naltrindole">Naltrindole</a></li> <li><a href="/wiki/Naringenin" title="Naringenin">Naringenin</a></li> <li><a href="/wiki/Navacaprant" title="Navacaprant">Navacaprant</a></li> <li><a href="/wiki/Norbinaltorphimine" title="Norbinaltorphimine">Norbinaltorphimine</a></li> <li><a href="/wiki/Noribogaine" title="Noribogaine">Noribogaine</a></li> <li><a href="/wiki/Pawhuskin_A" title="Pawhuskin A">Pawhuskin A</a></li> <li><a href="/wiki/PF-4455242" class="mw-redirect" title="PF-4455242">PF-4455242</a></li> <li><a href="/wiki/RB-64" title="RB-64">RB-64</a></li> <li><a href="/wiki/Quadazocine" title="Quadazocine">Quadazocine</a></li> <li><a href="/wiki/Taxifolin" title="Taxifolin">Taxifolin</a></li> <li><a href="/w/index.php?title=UPHIT&action=edit&redlink=1" class="new" title="UPHIT (page does not exist)">UPHIT</a></li> <li><a href="/wiki/Zyklophin" title="Zyklophin">Zyklophin</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Nociceptin_receptor" title="Nociceptin receptor">Nociceptin</a><br />(NOP)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Agonists</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=(Arg14,Lys15)Nociceptin&action=edit&redlink=1" class="new" title="(Arg14,Lys15)Nociceptin (page does not exist)">(Arg14,Lys15)Nociceptin</a></li> <li><a href="/w/index.php?title=((pF)Phe4)Nociceptin(1-13)NH2&action=edit&redlink=1" class="new" title="((pF)Phe4)Nociceptin(1-13)NH2 (page does not exist)">((pF)Phe<sup>4</sup>)Nociceptin(1-13)NH<sub>2</sub></a></li> <li><a href="/w/index.php?title=(Phe1%CE%A8(CH2-NH)Gly2)Nociceptin(1-13)NH2&action=edit&redlink=1" class="new" title="(Phe1Ψ(CH2-NH)Gly2)Nociceptin(1-13)NH2 (page does not exist)">(Phe<sup>1</sup>Ψ(CH<sub>2</sub>-NH)Gly<sup>2</sup>)Nociceptin(1-13)NH<sub>2</sub></a></li> <li><a href="/w/index.php?title=Ac-RYYRWK-NH2&action=edit&redlink=1" class="new" title="Ac-RYYRWK-NH2 (page does not exist)">Ac-RYYRWK-NH<sub>2</sub></a></li> <li><a href="/w/index.php?title=Ac-RYYRIK-NH2&action=edit&redlink=1" class="new" title="Ac-RYYRIK-NH2 (page does not exist)">Ac-RYYRIK-NH<sub>2</sub></a></li> <li><a href="/w/index.php?title=BU08070&action=edit&redlink=1" class="new" title="BU08070 (page does not exist)">BU08070</a></li> <li><a href="/wiki/Buprenorphine" title="Buprenorphine">Buprenorphine</a></li> <li><a href="/wiki/Cebranopadol" title="Cebranopadol">Cebranopadol</a></li> <li><a href="/wiki/Dihydroetorphine" title="Dihydroetorphine">Dihydroetorphine</a></li> <li><a href="/wiki/Etorphine" title="Etorphine">Etorphine</a></li> <li><a href="/w/index.php?title=JNJ-19385899&action=edit&redlink=1" class="new" title="JNJ-19385899 (page does not exist)">JNJ-19385899</a></li> <li><a href="/wiki/Levomethorphan" title="Levomethorphan">Levomethorphan</a></li> <li><a href="/wiki/Levorphanol" title="Levorphanol">Levorphanol</a></li> <li><a href="/w/index.php?title=Lexanopadol&action=edit&redlink=1" class="new" title="Lexanopadol (page does not exist)">Lexanopadol</a></li> <li><a href="/wiki/MCOPPB" title="MCOPPB">MCOPPB</a></li> <li><a href="/wiki/MT-7716" title="MT-7716">MT-7716</a></li> <li><a href="/wiki/NNC_63-0532" title="NNC 63-0532">NNC 63-0532</a></li> <li><a href="/wiki/Nociceptin" title="Nociceptin">Nociceptin (orphanin FQ)</a></li> <li><a href="/w/index.php?title=Nociceptin_(1-11)&action=edit&redlink=1" class="new" title="Nociceptin (1-11) (page does not exist)">Nociceptin (1-11)</a></li> <li><a href="/w/index.php?title=Nociceptin_(1-13)NH2&action=edit&redlink=1" class="new" title="Nociceptin (1-13)NH2 (page does not exist)">Nociceptin (1-13)NH<sub>2</sub></a></li> <li><a href="/wiki/Norbuprenorphine" title="Norbuprenorphine">Norbuprenorphine</a></li> <li><a href="/wiki/Methorphan" title="Methorphan">Racemethorphan</a></li> <li><a href="/wiki/Racemorphan" title="Racemorphan">Racemorphan</a></li> <li><a href="/wiki/Ro64-6198" title="Ro64-6198">Ro64-6198</a></li> <li><a href="/wiki/Ro65-6570" title="Ro65-6570">Ro65-6570</a></li> <li><a href="/wiki/SCH-221510" title="SCH-221510">SCH-221510</a></li> <li><a href="/w/index.php?title=SCH-486757&action=edit&redlink=1" class="new" title="SCH-486757 (page does not exist)">SCH-486757</a></li> <li><a href="/w/index.php?title=SR-8993&action=edit&redlink=1" class="new" title="SR-8993 (page does not exist)">SR-8993</a></li> <li><a href="/wiki/SR-16435" title="SR-16435">SR-16435</a></li> <li><a href="/wiki/Sunobinop" title="Sunobinop">Sunobinop (S-117957)</a></li> <li><a href="/wiki/TH-030418" title="TH-030418">TH-030418</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Antagonists</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=(Nphe1)Nociceptin(1-13)NH2&action=edit&redlink=1" class="new" title="(Nphe1)Nociceptin(1-13)NH2 (page does not exist)">(Nphe<sup>1</sup>)Nociceptin(1-13)NH<sub>2</sub></a></li> <li><a href="/wiki/AT-076" title="AT-076">AT-076</a></li> <li><a href="/w/index.php?title=BAN-ORL-24&action=edit&redlink=1" class="new" title="BAN-ORL-24 (page does not exist)">BAN-ORL-24</a></li> <li><a href="/wiki/BTRX-246040" title="BTRX-246040">BTRX-246040 (LY-2940094)</a></li> <li><a href="/wiki/J-113,397" title="J-113,397">J-113,397</a></li> <li><a href="/wiki/JTC-801" title="JTC-801">JTC-801</a></li> <li><a href="/w/index.php?title=Naloxone_benzoylhydrazone&action=edit&redlink=1" class="new" title="Naloxone benzoylhydrazone (page does not exist)">NalBzOH</a></li> <li><a href="/w/index.php?title=Nociceptin_(1-7)&action=edit&redlink=1" class="new" title="Nociceptin (1-7) (page does not exist)">Nociceptin (1-7)</a></li> <li><a href="/w/index.php?title=Nocistatin&action=edit&redlink=1" class="new" title="Nocistatin (page does not exist)">Nocistatin</a></li> <li><a href="/wiki/SB-612,111" title="SB-612,111">SB-612,111</a></li> <li><a href="/w/index.php?title=SR-16430&action=edit&redlink=1" class="new" title="SR-16430 (page does not exist)">SR-16430</a></li> <li><a href="/wiki/Thienorphine" title="Thienorphine">Thienorphine</a></li> <li><a href="/w/index.php?title=Trap-101&action=edit&redlink=1" class="new" title="Trap-101 (page does not exist)">Trap-101</a></li> <li><a href="/w/index.php?title=UFP-101&action=edit&redlink=1" class="new" title="UFP-101 (page does not exist)">UFP-101</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;">Others</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Enkephalinase_inhibitor" title="Enkephalinase inhibitor">Enkephalinase inhibitors</a>:</i> <a href="/wiki/Amastatin" title="Amastatin">Amastatin</a></li> <li><a href="/w/index.php?title=BL-2401&action=edit&redlink=1" class="new" title="BL-2401 (page does not exist)">BL-2401</a></li> <li><a href="/wiki/Candoxatril" title="Candoxatril">Candoxatril</a></li> <li><a href="/wiki/Phenylalanine#D-,_L-_and_DL-phenylalanine" title="Phenylalanine"><span style="font-size:85%;">D </span>-Phenylalanine</a></li> <li><a href="/w/index.php?title=Dexecadotril&action=edit&redlink=1" class="new" title="Dexecadotril (page does not exist)">Dexecadotril (retorphan)</a></li> <li><a href="/wiki/Ecadotril" title="Ecadotril">Ecadotril (sinorphan)</a></li> <li><a href="/wiki/Kelatorphan" title="Kelatorphan">Kelatorphan</a></li> <li><a href="/wiki/Racecadotril" title="Racecadotril">Racecadotril (acetorphan)</a></li> <li><a href="/wiki/RB-101" title="RB-101">RB-101</a></li> <li><a href="/wiki/RB-120" title="RB-120">RB-120</a></li> <li><a href="/wiki/RB-3007" title="RB-3007">RB-3007</a></li> <li><a href="/w/index.php?title=Opiorphan&action=edit&redlink=1" class="new" title="Opiorphan (page does not exist)">Opiorphan</a></li> <li><a href="/wiki/Selank" title="Selank">Selank</a></li> <li><a href="/wiki/Semax" title="Semax">Semax</a></li> <li><a href="/wiki/Spinorphin" title="Spinorphin">Spinorphin</a></li> <li><a href="/wiki/Thiorphan" title="Thiorphan">Thiorphan</a></li> <li><a href="/wiki/Tynorphin" title="Tynorphin">Tynorphin</a></li> <li><a href="/wiki/Ubenimex" title="Ubenimex">Ubenimex (bestatin)</a></li></ul> <ul><li><i>Propeptides:</i> <a href="/wiki/Lipotropin" title="Lipotropin">β-Lipotropin (proendorphin)</a></li> <li><a href="/wiki/Prodynorphin" title="Prodynorphin">Prodynorphin</a></li> <li><a href="/wiki/Proenkephalin" title="Proenkephalin">Proenkephalin</a></li> <li><a href="/w/index.php?title=Pronociceptin&action=edit&redlink=1" class="new" title="Pronociceptin (page does not exist)">Pronociceptin</a></li> <li><a href="/wiki/Proopiomelanocortin" title="Proopiomelanocortin">Proopiomelanocortin (POMC)</a></li></ul> <ul><li><i>Others:</i> <a href="/wiki/Kyotorphin" title="Kyotorphin">Kyotorphin</a> (met-enkephalin releaser/degradation stabilizer)</li></ul> </div></td></tr></tbody></table></div> <p><br /> </p> <style data-mw-deduplicate="TemplateStyles:r1012311289">.mw-parser-output .asbox{position:relative;overflow:hidden}.mw-parser-output .asbox table{background:transparent}.mw-parser-output .asbox p{margin:0}.mw-parser-output .asbox p+p{margin-top:0.25em}.mw-parser-output .asbox-body{font-style:italic}.mw-parser-output .asbox-note{font-size:smaller}.mw-parser-output .asbox .navbar{position:absolute;top:-0.75em;right:1em;display:none}</style><div role="note" class="metadata plainlinks asbox stub"><table role="presentation"><tbody><tr class="noresize"><td><span typeof="mw:File"><a href="/wiki/File:AlphaHelixSection_(yellow).svg" class="mw-file-description"><img alt="Stub icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/AlphaHelixSection_%28yellow%29.svg/40px-AlphaHelixSection_%28yellow%29.svg.png" decoding="async" width="40" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/AlphaHelixSection_%28yellow%29.svg/60px-AlphaHelixSection_%28yellow%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/AlphaHelixSection_%28yellow%29.svg/80px-AlphaHelixSection_%28yellow%29.svg.png 2x" data-file-width="180" data-file-height="54" /></a></span></td><td><p class="asbox-body">This <a href="/wiki/Biochemistry" title="Biochemistry">biochemistry</a> article is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can help Wikipedia by <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Hemorphin-4&action=edit">expanding it</a>.</p></td></tr></tbody></table><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Biochem-stub" title="Template:Biochem-stub"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Biochem-stub" title="Template talk:Biochem-stub"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Biochem-stub" title="Special:EditPage/Template:Biochem-stub"><abbr title="Edit this template">e</abbr></a></li></ul></div></div> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐f69cdc8f6‐rmdbt Cached time: 20241124194221 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1] CPU time usage: 0.660 seconds Real time usage: 0.860 seconds Preprocessor visited node count: 4648/1000000 Post‐expand include size: 171463/2097152 bytes Template argument size: 18099/2097152 bytes Highest expansion depth: 18/100 Expensive parser function count: 2/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 47305/5000000 bytes Lua time usage: 0.325/10.000 seconds Lua memory usage: 6203061/52428800 bytes Number of Wikibase entities loaded: 1/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 717.522 1 -total 47.18% 338.507 1 Template:Chembox 31.61% 226.839 1 Template:Chembox_Identifiers 20.05% 143.897 1 Template:Reflist 17.55% 125.915 6 Template:Cite_journal 17.21% 123.476 8 Template:Navbox 15.06% 108.087 3 Template:Chembox_headerbar 14.68% 105.341 9 Template:Trim 13.96% 100.193 1 Template:Neuropeptides 11.69% 83.860 2 Template:Short_description --> <!-- Saved in parser cache with key enwiki:pcache:idhash:33863877-0!canonical and timestamp 20241124194221 and revision id 1182465112. Rendering was triggered because: page-view --> </div><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Hemorphin-4&oldid=1182465112">https://en.wikipedia.org/w/index.php?title=Hemorphin-4&oldid=1182465112</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Delta-opioid_receptor_agonists" title="Category:Delta-opioid receptor agonists">Delta-opioid receptor agonists</a></li><li><a href="/wiki/Category:Kappa-opioid_receptor_agonists" title="Category:Kappa-opioid receptor agonists">Kappa-opioid receptor agonists</a></li><li><a href="/wiki/Category:Mu-opioid_receptor_agonists" title="Category:Mu-opioid receptor agonists">Mu-opioid receptor agonists</a></li><li><a href="/wiki/Category:Opioid_peptides" title="Category:Opioid peptides">Opioid peptides</a></li><li><a href="/wiki/Category:Tetrapeptides" title="Category:Tetrapeptides">Tetrapeptides</a></li><li><a href="/wiki/Category:Biochemistry_stubs" title="Category:Biochemistry stubs">Biochemistry stubs</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:Articles_without_InChI_source" title="Category:Articles without InChI source">Articles without InChI source</a></li><li><a href="/wiki/Category:Articles_without_EBI_source" title="Category:Articles without EBI source">Articles without EBI source</a></li><li><a href="/wiki/Category:Articles_without_KEGG_source" title="Category:Articles without KEGG source">Articles without KEGG source</a></li><li><a href="/wiki/Category:Articles_without_UNII_source" title="Category:Articles without UNII source">Articles without UNII source</a></li><li><a href="/wiki/Category:Articles_containing_unverified_chemical_infoboxes" title="Category:Articles containing unverified chemical infoboxes">Articles containing unverified chemical infoboxes</a></li><li><a href="/wiki/Category:Chembox_image_size_set" title="Category:Chembox image size set">Chembox image size set</a></li><li><a href="/wiki/Category:Short_description_matches_Wikidata" title="Category:Short description matches Wikidata">Short description matches Wikidata</a></li><li><a href="/wiki/Category:All_stub_articles" title="Category:All stub articles">All stub articles</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 29 October 2023, at 14:23<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. By using this site, you agree to the <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use" class="extiw" title="foundation:Special:MyLanguage/Policy:Terms of Use">Terms of Use</a> and <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy" class="extiw" title="foundation:Special:MyLanguage/Policy:Privacy policy">Privacy Policy</a>. Wikipedia® is a registered trademark of the <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, a non-profit organization.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:About">About Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:General_disclaimer">Disclaimers</a></li> <li id="footer-places-contact"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact Wikipedia</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/en.wikipedia.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-mobileview"><a href="//en.m.wikipedia.org/w/index.php?title=Hemorphin-4&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobile view</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-qfk9f","wgBackendResponseTime":173,"wgPageParseReport":{"limitreport":{"cputime":"0.660","walltime":"0.860","ppvisitednodes":{"value":4648,"limit":1000000},"postexpandincludesize":{"value":171463,"limit":2097152},"templateargumentsize":{"value":18099,"limit":2097152},"expansiondepth":{"value":18,"limit":100},"expensivefunctioncount":{"value":2,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":47305,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 717.522 1 -total"," 47.18% 338.507 1 Template:Chembox"," 31.61% 226.839 1 Template:Chembox_Identifiers"," 20.05% 143.897 1 Template:Reflist"," 17.55% 125.915 6 Template:Cite_journal"," 17.21% 123.476 8 Template:Navbox"," 15.06% 108.087 3 Template:Chembox_headerbar"," 14.68% 105.341 9 Template:Trim"," 13.96% 100.193 1 Template:Neuropeptides"," 11.69% 83.860 2 Template:Short_description"]},"scribunto":{"limitreport-timeusage":{"value":"0.325","limit":"10.000"},"limitreport-memusage":{"value":6203061,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-f69cdc8f6-rmdbt","timestamp":"20241124194221","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Hemorphin-4","url":"https:\/\/en.wikipedia.org\/wiki\/Hemorphin-4","sameAs":"http:\/\/www.wikidata.org\/entity\/Q5712560","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q5712560","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2011-11-25T17:42:13Z","dateModified":"2023-10-29T14:23:44Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/c\/ca\/Hemorphin_4.svg","headline":"chemical compound"}</script> </body> </html>