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Kynurenine - Wikipedia

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</div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Kynurenine</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 17 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-17" 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">17 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/%DA%A9%DB%8C%D9%86%D9%88%D8%B1%D9%86%DB%8C%D9%86" title="کینورنین – South Azerbaijani" lang="azb" hreflang="azb" data-title="کینورنین" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Kinurenin" title="Kinurenin – Bosnian" lang="bs" hreflang="bs" data-title="Kinurenin" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Kynurenin" title="Kynurenin – German" lang="de" hreflang="de" data-title="Kynurenin" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%A9%DB%8C%D9%86%D9%88%D8%B1%D9%86%DB%8C%D9%86" title="کینورنین – Persian" lang="fa" hreflang="fa" data-title="کینورنین" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Kynur%C3%A9nine" title="Kynurénine – French" lang="fr" hreflang="fr" data-title="Kynurénine" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%82%A4%EB%89%B4%EB%A0%88%EB%8B%8C" title="키뉴레닌 – Korean" lang="ko" hreflang="ko" data-title="키뉴레닌" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Chinurenina" title="Chinurenina – Italian" lang="it" hreflang="it" data-title="Chinurenina" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%AD%E3%83%8C%E3%83%AC%E3%83%8B%E3%83%B3" title="キヌレニン – Japanese" lang="ja" hreflang="ja" data-title="キヌレニン" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Kinurenina" title="Kinurenina – Polish" lang="pl" hreflang="pl" data-title="Kinurenina" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Quinurenina" title="Quinurenina – Portuguese" lang="pt" hreflang="pt" data-title="Quinurenina" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9A%D0%B8%D0%BD%D1%83%D1%80%D0%B5%D0%BD%D0%B8%D0%BD" title="Кинуренин – Russian" lang="ru" hreflang="ru" data-title="Кинуренин" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Kynuren%C3%ADn" title="Kynurenín – Slovak" lang="sk" hreflang="sk" data-title="Kynurenín" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Kinurenin" title="Kinurenin – Serbian" lang="sr" hreflang="sr" data-title="Kinurenin" 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/Kinurenin" title="Kinurenin – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Kinurenin" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Kynureniini" title="Kynureniini – Finnish" lang="fi" hreflang="fi" data-title="Kynureniini" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Kynurenin" title="Kynurenin – Swedish" lang="sv" hreflang="sv" data-title="Kynurenin" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-zh 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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"><style data-mw-deduplicate="TemplateStyles:r1268415487">.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%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .ib-chembox figure:not(.skin-invert-image):not(.skin-invert):not(.bg-transparent){background:var(--background-color-inverted,#f8f9fa)}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .ib-chembox figure:not(.skin-invert-image):not(.skin-invert):not(.bg-transparent){background:var(--background-color-inverted,#f8f9fa)}}</style> <table class="infobox ib-chembox"> <caption><style data-mw-deduplicate="TemplateStyles:r920966791">.mw-parser-output span.smallcaps{font-variant:small-caps}.mw-parser-output span.smallcaps-smaller{font-size:85%}</style><span class="smallcaps">l</span>-Kynurenine </caption> <tbody><tr> <td colspan="2" style="text-align:center; padding:2px;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:L-Kynurenine.svg" class="mw-file-description"><img alt="Skeletal formula of L-kynurenine" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/L-Kynurenine.svg/200px-L-Kynurenine.svg.png" decoding="async" width="200" height="109" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/L-Kynurenine.svg/300px-L-Kynurenine.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/L-Kynurenine.svg/400px-L-Kynurenine.svg.png 2x" data-file-width="512" data-file-height="279" /></a><figcaption></figcaption></figure> </td></tr> <tr> <td colspan="2" style="text-align:center; padding:2px;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:L-Kynurenine-zwitterion-3D-balls.png" class="mw-file-description"><img alt="Ball-and-stick model of the L-kynurenine molecule as a zwitterion" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/L-Kynurenine-zwitterion-3D-balls.png/220px-L-Kynurenine-zwitterion-3D-balls.png" decoding="async" width="220" height="174" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/L-Kynurenine-zwitterion-3D-balls.png/330px-L-Kynurenine-zwitterion-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2b/L-Kynurenine-zwitterion-3D-balls.png/440px-L-Kynurenine-zwitterion-3D-balls.png 2x" data-file-width="2000" data-file-height="1582" /></a><figcaption></figcaption></figure> </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; text-align: center;">Names </th></tr> <tr> <td colspan="2" style="text-align:left;"><a href="/wiki/Preferred_IUPAC_name" title="Preferred IUPAC name">Preferred IUPAC name</a> <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0; max-width:22em;">(2<i>S</i>)-2-Amino-4-(2-aminophenyl)-4-oxo-butanoic acid</div></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;">(<i>S</i>)-Kynurenine</div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; 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 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href="https://chemapps.stolaf.edu/jmol/jmol.php?model=c1ccc%28c%28c1%29C%28%3DO%29C%5BC%40%40H%5D%28C%28%3DO%29O%29N%29N">Interactive image</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChEBI" title="ChEBI">ChEBI</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.ebi.ac.uk"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chebi/searchId.do?chebiId=57959">CHEBI:57959</a></span><sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChEMBL" title="ChEMBL">ChEMBL</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.ebi.ac.uk"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chembl/explore/compound/ChEMBL498416">ChEMBL498416</a></span><sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></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.141580.html">141580</a></span><sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/DrugBank" title="DrugBank">DrugBank</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.drugbank.ca"><a rel="nofollow" class="external text" href="https://www.drugbank.ca/drugs/DB02070">DB02070</a></span><sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/Medical_Subject_Headings" title="Medical Subject Headings">MeSH</a> </td> <td><span title="www.nlm.nih.gov"><a rel="nofollow" class="external text" href="https://www.nlm.nih.gov/cgi/mesh/2014/MB_cgi?mode=&amp;term=Kynurenine">Kynurenine</a></span> </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/846">846</a></span>&#160;(<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r920966791"><span class="smallcaps">d</span>/<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r920966791"><span class="smallcaps">l</span>)</li><li><span title="pubchem.ncbi.nlm.nih.gov"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/1152206">1152206</a></span>&#160;(<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r920966791"><span class="smallcaps">d</span>)</li><li><span title="pubchem.ncbi.nlm.nih.gov"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/161166">161166</a></span>&#160;(<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r920966791"><span class="smallcaps">l</span>)</li></ul></div> </td></tr> <tr> <td><a href="/wiki/Unique_Ingredient_Identifier" title="Unique Ingredient Identifier">UNII</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="precision.fda.gov"><a rel="nofollow" class="external text" href="https://precision.fda.gov/uniisearch/srs/unii/02JW4J5R44">02JW4J5R44</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/DTXSID101031182">DTXSID101031182</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q415768#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;"><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/C10H12N2O3/c11-7-4-2-1-3-6(7)9(13)5-8(12)10(14)15/h1-4,8H,5,11-12H2,(H,14,15)/t8-/m0/s1<sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key:&#160;YGPSJZOEDVAXAB-QMMMGPOBSA-N<sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></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;"><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%;">c1ccc(c(c1)C(=O)C[C@@H](C(=O)O)N)N</div></li></ul> </div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; 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><span title="Carbon">C</span><sub>10</sub><span title="Hydrogen">H</span><sub>12</sub><span title="Nitrogen">N</span><sub>2</sub><span title="Oxygen">O</span><sub>3</sub> </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td><span class="nowrap"><span data-sort-value="7002208217000000000♠"></span>208.217</span>&#160;g·mol<sup>−1</sup> &#x20; </td></tr> <tr> <td colspan="2" style="text-align:left; background:#f8eaba; color:inherit; 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&#160;°C [77&#160;°F], 100&#160;kPa).</div> <div style="margin-top: 0.3em;"><div style="text-align:center;"><span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/12px-X_mark.svg.png" decoding="async" width="12" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/18px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/24px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span>&#160;<span class="reflink plainlinks nourlexpansion"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:ComparePages&amp;rev1=461936957&amp;page2=Kynurenine">verify</a></span>&#160;(<a href="/wiki/Wikipedia:WikiProject_Chemicals/Chembox_validation" title="Wikipedia:WikiProject Chemicals/Chembox validation">what is</a>&#160;<sup><span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span><span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/7px-X_mark.svg.png" decoding="async" width="7" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/11px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/14px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span></sup>&#160;?) </div></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><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r920966791"><span class="smallcaps">l</span>-Kynurenine</b> is a <a href="/wiki/Metabolite" title="Metabolite">metabolite</a> of the amino acid <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r920966791"><span class="smallcaps">l</span>-<a href="/wiki/Tryptophan" title="Tryptophan">tryptophan</a> used in the production of <a href="/wiki/Niacin_(substance)" class="mw-redirect" title="Niacin (substance)">niacin</a>. </p><p>Kynurenine is synthesized by the enzyme <a href="/wiki/Tryptophan_dioxygenase" class="mw-redirect" title="Tryptophan dioxygenase">tryptophan dioxygenase</a>, which is made primarily but not exclusively in the liver, and <a href="/wiki/Indoleamine_2,3-dioxygenase" title="Indoleamine 2,3-dioxygenase">indoleamine 2,3-dioxygenase</a>, which is made in many tissues in response to immune activation.<sup id="cite_ref-pmid21976023_1-0" class="reference"><a href="#cite_note-pmid21976023-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> Kynurenine and its further breakdown products carry out diverse biological functions, including dilating blood vessels during inflammation<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> and regulating the immune response.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> Some cancers increase kynurenine production, which increases tumor growth.<sup id="cite_ref-pmid21976023_1-1" class="reference"><a href="#cite_note-pmid21976023-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> </p><p>Kynurenine protects the eye by absorbing <a href="/wiki/Ultraviolet" title="Ultraviolet">UV</a> light, especially in the UVA region (315–400&#160;nm).<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> Kynurenine is present in the lens and retina as one of multiple tryptophan derivatives produced in the eye, including <a href="/wiki/3-Hydroxykynurenine" title="3-Hydroxykynurenine">3-hydroxykynurenine</a>, that together provide UV protection and aid in enhancing visual acuity.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> The use of kynurenine as a UV filter is consistent with its photostability and low photosensitization, owing to its efficient relaxation from the UV-induced excited state.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> The concentration of this UV filter decreases with age,<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup> and this loss of free kynurenine and the concomitant formation of relatively more photosensitizing kynurenine derivatives and kynurenine-protein conjugates may contribute to the formation of cataracts.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">&#91;</span>10<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">&#91;</span>11<span class="cite-bracket">&#93;</span></a></sup> </p><p>Evidence suggests that increased kynurenine production may precipitate depressive symptoms associated with <a href="/wiki/Interferon" title="Interferon">interferon</a> treatment for <a href="/wiki/Hepatitis_C" title="Hepatitis C">hepatitis C</a>.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">&#91;</span>12<span class="cite-bracket">&#93;</span></a></sup> Cognitive deficits in <a href="/wiki/Schizophrenia" title="Schizophrenia">schizophrenia</a> are associated with imbalances in the enzymes that break down kynurenine.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">&#91;</span>13<span class="cite-bracket">&#93;</span></a></sup> Blood levels of kynurenine are reduced in people with <a href="/wiki/Bipolar_disorder" title="Bipolar disorder">bipolar disorder</a>.<sup id="cite_ref-Bartoli_14-0" class="reference"><a href="#cite_note-Bartoli-14"><span class="cite-bracket">&#91;</span>14<span class="cite-bracket">&#93;</span></a></sup> Kynurenine production is increased in Alzheimer's disease<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">&#91;</span>15<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">&#91;</span>16<span class="cite-bracket">&#93;</span></a></sup> and cardiovascular disease<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">&#91;</span>17<span class="cite-bracket">&#93;</span></a></sup> where its metabolites are associated with cognitive deficits<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">&#91;</span>18<span class="cite-bracket">&#93;</span></a></sup> and depressive symptoms.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">&#91;</span>19<span class="cite-bracket">&#93;</span></a></sup> Kynurenine is also associated with <a href="/wiki/Tic" title="Tic">tics</a>.<sup id="cite_ref-pmid17665285_20-0" class="reference"><a href="#cite_note-pmid17665285-20"><span class="cite-bracket">&#91;</span>20<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-urlKynurenine_potentiates_21-0" class="reference"><a href="#cite_note-urlKynurenine_potentiates-21"><span class="cite-bracket">&#91;</span>21<span class="cite-bracket">&#93;</span></a></sup> </p><p><a href="/wiki/Kynureninase" title="Kynureninase">Kynureninase</a> catalyzes the conversion of kynurenine into <a href="/wiki/Anthranilic_acid" title="Anthranilic acid">anthranilic acid</a><sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">&#91;</span>22<span class="cite-bracket">&#93;</span></a></sup> while <a href="/wiki/Kynurenine-oxoglutarate_transaminase" class="mw-redirect" title="Kynurenine-oxoglutarate transaminase">kynurenine-oxoglutarate transaminase</a> catalyzes its conversion into <a href="/wiki/Kynurenic_acid" title="Kynurenic acid">kynurenic acid</a>. <a href="/wiki/Kynurenine_3-hydroxylase" class="mw-redirect" title="Kynurenine 3-hydroxylase">Kynurenine 3-hydroxylase</a> catalyzes the conversion of kynurenine to <a href="/wiki/3-hydroxykynurenine" class="mw-redirect" title="3-hydroxykynurenine">3-hydroxykynurenine</a>.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">&#91;</span>23<span class="cite-bracket">&#93;</span></a></sup> </p><p>Kynurenine has also been identified as one of two compounds that makes up the pigment that gives the <a href="/wiki/Misumena_vatia" title="Misumena vatia">goldenrod crab spider</a> its yellow color.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">&#91;</span>24<span class="cite-bracket">&#93;</span></a></sup> </p> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Kynurenine_pathway_wordless.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Kynurenine_pathway_wordless.svg/280px-Kynurenine_pathway_wordless.svg.png" decoding="async" width="280" height="468" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Kynurenine_pathway_wordless.svg/420px-Kynurenine_pathway_wordless.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Kynurenine_pathway_wordless.svg/560px-Kynurenine_pathway_wordless.svg.png 2x" data-file-width="428" data-file-height="715" /></a><figcaption>The <a href="/wiki/Kynurenine_pathway" title="Kynurenine pathway">kynurenine pathway</a>, which connects <a href="/wiki/Quinolinic_acid" title="Quinolinic acid">quinolinic acid</a> to tryptophan. The pathway is named for the first intermediate, kynurenine, which is a precursor to <a href="/wiki/Kynurenic_acid" title="Kynurenic acid">kynurenic acid</a> and <a href="/wiki/3-Hydroxykynurenine" title="3-Hydroxykynurenine">3-hydroxykynurenine</a>.<sup id="cite_ref-Schwarcz_25-0" class="reference"><a href="#cite_note-Schwarcz-25"><span class="cite-bracket">&#91;</span>25<span class="cite-bracket">&#93;</span></a></sup></figcaption></figure> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Kynurenine_pathway_dysfunction">Kynurenine pathway dysfunction</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kynurenine&amp;action=edit&amp;section=1" title="Edit section: Kynurenine pathway dysfunction"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dysfunctional states of distinct steps of the <a href="/wiki/Kynurenine_pathway" title="Kynurenine pathway">kynurenine pathway</a> (such as kynurenine, <a href="/wiki/Kynurenic_acid" title="Kynurenic acid">kynurenic acid</a>, <a href="/wiki/Quinolinic_acid" title="Quinolinic acid">quinolinic acid</a>, <a href="/wiki/Anthranilic_acid" title="Anthranilic acid">anthranilic acid</a>, 3-hydroxykynurenine) have been described for a number of disorders, including:<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">&#91;</span>26<span class="cite-bracket">&#93;</span></a></sup> </p> <ul><li><a href="/wiki/HIV_dementia" class="mw-redirect" title="HIV dementia">HIV dementia</a></li> <li><a href="/wiki/Tourette_syndrome" title="Tourette syndrome">Tourette syndrome</a></li> <li><a href="/wiki/Tic_disorders" class="mw-redirect" title="Tic disorders">Tic disorders</a></li> <li><a href="/wiki/Psychiatric_disorders" class="mw-redirect" title="Psychiatric disorders">Psychiatric disorders</a> (such as <a href="/wiki/Schizophrenia" title="Schizophrenia">schizophrenia</a>, <a href="/wiki/Bipolar_disorder" title="Bipolar disorder">bipolar disorder</a>,<sup id="cite_ref-Bartoli_14-1" class="reference"><a href="#cite_note-Bartoli-14"><span class="cite-bracket">&#91;</span>14<span class="cite-bracket">&#93;</span></a></sup> <a href="/wiki/Major_depression" class="mw-redirect" title="Major depression">major depression</a>,<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">&#91;</span>27<span class="cite-bracket">&#93;</span></a></sup> <a href="/wiki/Anxiety_disorders" class="mw-redirect" title="Anxiety disorders">anxiety disorders</a>)</li> <li><a href="/wiki/Multiple_sclerosis" title="Multiple sclerosis">Multiple sclerosis</a></li> <li><a href="/wiki/Huntington%27s_disease" title="Huntington&#39;s disease">Huntington's disease</a></li> <li><a href="/wiki/Encephalopathies" class="mw-redirect" title="Encephalopathies">Encephalopathies</a></li> <li><a href="/wiki/Lipid_metabolism" title="Lipid metabolism">Lipid metabolism</a></li> <li><a href="/wiki/NAFLD" class="mw-redirect" title="NAFLD">Liver fat metabolism</a></li> <li><a href="/wiki/Systemic_lupus_erythematosus" class="mw-redirect" title="Systemic lupus erythematosus">Systemic lupus erythematosus</a></li> <li><a href="/wiki/Glutaric_aciduria" class="mw-redirect" title="Glutaric aciduria">Glutaric aciduria</a></li> <li><a href="/wiki/Vitamin_B6_deficiency" class="mw-redirect" title="Vitamin B6 deficiency">Vitamin B<sub>6</sub> deficiency</a></li> <li><a href="/wiki/Eosinophilia-myalgia_syndrome" class="mw-redirect" title="Eosinophilia-myalgia syndrome">Eosinophilia-myalgia syndrome</a></li> <li><a href="/wiki/Myalgic_encephalomyelitis/chronic_fatigue_syndrome" title="Myalgic encephalomyelitis/chronic fatigue syndrome">Myalgic encephalomyelitis/chronic fatigue syndrome</a><sup id="cite_ref-IDO_Metabolic_Trap_28-0" class="reference"><a href="#cite_note-IDO_Metabolic_Trap-28"><span class="cite-bracket">&#91;</span>28<span class="cite-bracket">&#93;</span></a></sup></li></ul> <p>Downregulation of <a href="/wiki/Kynurenine_3-monooxygenase" title="Kynurenine 3-monooxygenase">kynurenine-3-monooxygenase</a> (KMO) can be caused by genetic <a href="/wiki/Polymorphism_(biology)" title="Polymorphism (biology)">polymorphisms</a>, <a href="/wiki/Cytokines" class="mw-redirect" title="Cytokines">cytokines</a>, or both.<sup id="cite_ref-urlNeurobiochemie_29-0" class="reference"><a href="#cite_note-urlNeurobiochemie-29"><span class="cite-bracket">&#91;</span>29<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-pmid20658274_30-0" class="reference"><a href="#cite_note-pmid20658274-30"><span class="cite-bracket">&#91;</span>30<span class="cite-bracket">&#93;</span></a></sup> KMO deficiency leads to an accumulation of kynurenine and to a shift within the tryptophan <a href="/wiki/Metabolic_pathway" title="Metabolic pathway">metabolic pathway</a> towards kynurenine acid and <a href="/wiki/Anthranilic_acid" title="Anthranilic acid">anthranilic acid</a>.<sup id="cite_ref-pmid21727251_31-0" class="reference"><a href="#cite_note-pmid21727251-31"><span class="cite-bracket">&#91;</span>31<span class="cite-bracket">&#93;</span></a></sup> Kynurenine-3-monooxygenase deficiency is associated with disorders of the brain (e.g. major depressive disorder, bipolar disorder, schizophrenia, tic disorders) <sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">&#91;</span>32<span class="cite-bracket">&#93;</span></a></sup> and of the liver.<sup id="cite_ref-pmid17665285_20-1" class="reference"><a href="#cite_note-pmid17665285-20"><span class="cite-bracket">&#91;</span>20<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-pmid21693093_33-0" class="reference"><a href="#cite_note-pmid21693093-33"><span class="cite-bracket">&#91;</span>33<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-pmid24567701_34-0" class="reference"><a href="#cite_note-pmid24567701-34"><span class="cite-bracket">&#91;</span>34<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-pmid24836604_35-0" class="reference"><a href="#cite_note-pmid24836604-35"><span class="cite-bracket">&#91;</span>35<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-pmid4168935_36-0" class="reference"><a href="#cite_note-pmid4168935-36"><span class="cite-bracket">&#91;</span>36<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Drug_development">Drug development</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kynurenine&amp;action=edit&amp;section=2" title="Edit section: Drug development"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>It is hypothesized that the kynurenine pathway is partly responsible for the therapeutic effect of <a href="/wiki/Lithium_(medication)" title="Lithium (medication)">lithium</a> on <a href="/wiki/Bipolar_disorder" title="Bipolar disorder">bipolar disorder</a>. If that is the case, it could be a target of drug discovery.<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">&#91;</span>37<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">&#91;</span>38<span class="cite-bracket">&#93;</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=Kynurenine&amp;action=edit&amp;section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Indoleamine_2,3-dioxygenase" title="Indoleamine 2,3-dioxygenase">Indoleamine 2,3-dioxygenase</a> (IDO)</li> <li><a href="/wiki/Tryptophan_2,3-dioxygenase" title="Tryptophan 2,3-dioxygenase">Tryptophan 2,3-dioxygenase</a> (TDO)</li> <li><a href="/wiki/N%27-Formylkynurenine" title="N&#39;-Formylkynurenine"><i>N<span class="nowrap" style="padding-left:0.05em;">′</span></i>-Formylkynurenine</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=Kynurenine&amp;action=edit&amp;section=4" 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" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-pmid21976023-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-pmid21976023_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-pmid21976023_1-1"><sup><i><b>b</b></i></sup></a></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="CITEREFOpitzLitzenburgerSahmOtt2011" class="citation journal cs1">Opitz CA, Litzenburger UM, Sahm F, Ott M, Tritschler I, Trump S, Schumacher T, Jestaedt L, Schrenk D, Weller M, Jugold M, Guillemin GJ, Miller CL, Lutz C, Radlwimmer B, Lehmann I, von Deimling A, Wick W, Platten M (2011). <a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fnature10491">"An endogenous tumour-promoting ligand of the human aryl hydrocarbon receptor"</a>. <i>Nature</i>. <b>478</b> (7368): <span class="nowrap">197–</span>203. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2011Natur.478..197O">2011Natur.478..197O</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fnature10491">10.1038/nature10491</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a>&#160;<a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/21976023">21976023</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Nature&amp;rft.atitle=An+endogenous+tumour-promoting+ligand+of+the+human+aryl+hydrocarbon+receptor&amp;rft.volume=478&amp;rft.issue=7368&amp;rft.pages=%3Cspan+class%3D%22nowrap%22%3E197-%3C%2Fspan%3E203&amp;rft.date=2011&amp;rft_id=info%3Apmid%2F21976023&amp;rft_id=info%3Adoi%2F10.1038%2Fnature10491&amp;rft_id=info%3Abibcode%2F2011Natur.478..197O&amp;rft.aulast=Opitz&amp;rft.aufirst=CA&amp;rft.au=Litzenburger%2C+UM&amp;rft.au=Sahm%2C+F&amp;rft.au=Ott%2C+M&amp;rft.au=Tritschler%2C+I&amp;rft.au=Trump%2C+S&amp;rft.au=Schumacher%2C+T&amp;rft.au=Jestaedt%2C+L&amp;rft.au=Schrenk%2C+D&amp;rft.au=Weller%2C+M&amp;rft.au=Jugold%2C+M&amp;rft.au=Guillemin%2C+GJ&amp;rft.au=Miller%2C+CL&amp;rft.au=Lutz%2C+C&amp;rft.au=Radlwimmer%2C+B&amp;rft.au=Lehmann%2C+I&amp;rft.au=von+Deimling%2C+A&amp;rft.au=Wick%2C+W&amp;rft.au=Platten%2C+M&amp;rft_id=https%3A%2F%2Fdoi.org%2F10.1038%252Fnature10491&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AKynurenine" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWangLiuMcKenzieWitting2010" class="citation journal cs1">Wang Y, Liu H, McKenzie G, Witting PK, Stasch JP, Hahn M, Changsirivathanathamrong D, Wu BJ, Ball HJ, Thomas SR, Kapoor V, Celermajer DS, Mellor AL, Keaney JF, Hunt NH, Stocker R (2010). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3556275">"Kynurenine is an endothelium-derived relaxing factor produced during inflammation"</a>. <i>Nature Medicine</i>. <b>16</b> (3): <span class="nowrap">279–</span>85. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fnm.2092">10.1038/nm.2092</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a>&#160;<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3556275">3556275</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a>&#160;<a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/20190767">20190767</a>.</cite><span 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.navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Amino_acid_metabolism_intermediates" title="Template:Amino acid metabolism intermediates"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Amino_acid_metabolism_intermediates" title="Template talk:Amino acid metabolism intermediates"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Amino_acid_metabolism_intermediates" title="Special:EditPage/Template:Amino acid metabolism intermediates"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Amino_acid_metabolism_metabolic_intermediates153" style="font-size:114%;margin:0 4em"><a href="/wiki/Amino_acid" title="Amino acid">Amino acid</a> <a href="/wiki/Amino_acid_synthesis" title="Amino acid synthesis">metabolism</a> <a href="/wiki/Metabolic_intermediate" title="Metabolic intermediate">metabolic intermediates</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ketogenic_amino_acid" title="Ketogenic amino acid">K</a>→<a href="/wiki/Acetyl-CoA" title="Acetyl-CoA">acetyl-CoA</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:1%"><a href="/wiki/Lysine" title="Lysine">lysine</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/Saccharopine" title="Saccharopine">Saccharopine</a></li> <li><a href="/wiki/Allysine" title="Allysine">Allysine</a></li> <li><a href="/wiki/Alpha-Aminoadipic_acid" class="mw-redirect" title="Alpha-Aminoadipic acid">α-Aminoadipic acid</a></li> <li><a href="/wiki/2-Oxoadipic_acid" title="2-Oxoadipic acid">2-Oxoadipic acid</a></li> <li><a href="/wiki/Glutaryl-CoA" title="Glutaryl-CoA">Glutaryl-CoA</a></li> <li><a href="/wiki/Glutaconyl-CoA" title="Glutaconyl-CoA">Glutaconyl-CoA</a></li> <li><a href="/wiki/Crotonyl-CoA" title="Crotonyl-CoA">Crotonyl-CoA</a></li> <li><a href="/wiki/Beta-Hydroxybutyryl-CoA" class="mw-redirect" title="Beta-Hydroxybutyryl-CoA">β-Hydroxybutyryl-CoA</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Leucine" title="Leucine">leucine</a>→</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/Beta-Hydroxy_beta-methylbutyric_acid" class="mw-redirect" title="Beta-Hydroxy beta-methylbutyric acid">β-Hydroxy β-methylbutyric acid</a></li> <li><a href="/wiki/Beta-Hydroxy_beta-methylbutyryl-CoA" class="mw-redirect" title="Beta-Hydroxy beta-methylbutyryl-CoA">β-Hydroxy β-methylbutyryl-CoA</a></li> <li><a href="/wiki/Isovaleryl-CoA" title="Isovaleryl-CoA">Isovaleryl-CoA</a></li> <li><a href="/wiki/Alpha-Ketoisocaproic_acid" class="mw-redirect" title="Alpha-Ketoisocaproic acid">α-Ketoisocaproic acid</a></li> <li><a href="/wiki/Beta-Ketoisocaproic_acid" class="mw-redirect" title="Beta-Ketoisocaproic acid">β-Ketoisocaproic acid</a></li> <li><a href="/w/index.php?title=Beta-Ketoisocaproyl-CoA&amp;action=edit&amp;redlink=1" class="new" title="Beta-Ketoisocaproyl-CoA (page does not exist)">β-Ketoisocaproyl-CoA</a></li> <li><a href="/wiki/%CE%92-Leucine" title="Β-Leucine">β-Leucine</a></li> <li><a href="/wiki/Methylcrotonyl-CoA" title="Methylcrotonyl-CoA">β-Methylcrotonyl-CoA</a></li> <li><a href="/wiki/%CE%92-Methylglutaconyl-CoA" class="mw-redirect" title="Β-Methylglutaconyl-CoA">β-Methylglutaconyl-CoA</a></li> <li><a href="/wiki/HMG-CoA" title="HMG-CoA">β-Hydroxy β-methylglutaryl-CoA</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Tryptophan" title="Tryptophan">tryptophan</a>→<a href="/wiki/Alanine" title="Alanine">alanine</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/N%27-Formylkynurenine" title="N&#39;-Formylkynurenine"><i>N</i>′-Formylkynurenine</a></li> <li><a class="mw-selflink selflink">Kynurenine</a></li> <li><a href="/wiki/Anthranilic_acid" title="Anthranilic acid">Anthranilic acid</a></li> <li><a href="/wiki/3-Hydroxykynurenine" title="3-Hydroxykynurenine">3-Hydroxykynurenine</a></li> <li><a href="/wiki/3-Hydroxyanthranilic_acid" title="3-Hydroxyanthranilic acid">3-Hydroxyanthranilic acid</a></li> <li><a href="/wiki/2-Amino-3-carboxymuconic_semialdehyde" title="2-Amino-3-carboxymuconic semialdehyde">2-Amino-3-carboxymuconic semialdehyde</a></li> <li><a href="/wiki/2-Aminomuconic_semialdehyde" title="2-Aminomuconic semialdehyde">2-Aminomuconic semialdehyde</a></li> <li><a href="/wiki/2-Aminomuconic_acid" title="2-Aminomuconic acid">2-Aminomuconic acid</a></li> <li><a href="/wiki/Glutaryl-CoA" title="Glutaryl-CoA">Glutaryl-CoA</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Glucogenic_amino_acid" title="Glucogenic amino acid">G</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:1%">G→<a href="/wiki/Pyruvate" class="mw-redirect" title="Pyruvate">pyruvate</a>→ <br /><a href="/wiki/Citrate" class="mw-redirect" title="Citrate">citrate</a></th><td class="navbox-list-with-group navbox-list navbox-odd" 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="glycine→serine→31" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Glycine" title="Glycine">glycine</a>→<br /><a href="/wiki/Serine" title="Serine">serine</a>→</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/3-Phosphoglyceric_acid" title="3-Phosphoglyceric acid">3-Phosphoglyceric acid</a></li></ul> <ul><li><a href="/wiki/Glycine" title="Glycine">glycine</a>→<a href="/wiki/Creatine" title="Creatine">creatine</a>: <a href="/wiki/Glycocyamine" title="Glycocyamine">Glycocyamine</a></li> <li><a href="/wiki/Phosphocreatine" title="Phosphocreatine">Phosphocreatine</a></li> <li><a href="/wiki/Creatinine" title="Creatinine">Creatinine</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">G→<a href="/wiki/Glutamate" class="mw-redirect" title="Glutamate">glutamate</a>→<br /><a href="/wiki/Alpha-Ketoglutaric_acid" class="mw-redirect" title="Alpha-Ketoglutaric acid">α-ketoglutarate</a></th><td class="navbox-list-with-group navbox-list navbox-odd" 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%"><a href="/wiki/Histidine" title="Histidine">histidine</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/Urocanic_acid" title="Urocanic acid">Urocanic acid</a></li> <li><a href="/wiki/Imidazol-4-one-5-propionic_acid" title="Imidazol-4-one-5-propionic acid">Imidazol-4-one-5-propionic acid</a></li> <li><a href="/wiki/Formiminoglutamic_acid" title="Formiminoglutamic acid">Formiminoglutamic acid</a></li> <li><a href="/wiki/Glutamate-1-semialdehyde" title="Glutamate-1-semialdehyde">Glutamate-1-semialdehyde</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Proline" title="Proline">proline</a>→</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/1-Pyrroline-5-carboxylic_acid" title="1-Pyrroline-5-carboxylic acid">1-Pyrroline-5-carboxylic acid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Arginine" title="Arginine">arginine</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/Agmatine" title="Agmatine">Agmatine</a></li> <li><a href="/wiki/Ornithine" title="Ornithine">Ornithine</a></li> <li><a href="/wiki/Citrulline" title="Citrulline">Citrulline</a></li> <li><a href="/wiki/Cadaverine" title="Cadaverine">Cadaverine</a></li> <li><a href="/wiki/Putrescine" title="Putrescine">Putrescine</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">other</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/Cysteine" title="Cysteine">cysteine</a>+<a href="/wiki/Glutamate" class="mw-redirect" title="Glutamate">glutamate</a>→<a href="/wiki/Glutathione" title="Glutathione">glutathione</a>: <a href="/wiki/Gamma-Glutamylcysteine" class="mw-redirect" title="Gamma-Glutamylcysteine">γ-Glutamylcysteine</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">G→<a href="/wiki/Propionyl-CoA" title="Propionyl-CoA">propionyl-CoA</a>→<br /><a href="/wiki/Succinyl-CoA" title="Succinyl-CoA">succinyl-CoA</a></th><td class="navbox-list-with-group navbox-list navbox-odd" 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%"><a href="/wiki/Valine" title="Valine">valine</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/Alpha-Ketoisovaleric_acid" class="mw-redirect" title="Alpha-Ketoisovaleric acid">α-Ketoisovaleric acid</a></li> <li><a href="/wiki/Isobutyryl-CoA" title="Isobutyryl-CoA">Isobutyryl-CoA</a></li> <li><a href="/wiki/Methacrylyl-CoA" title="Methacrylyl-CoA">Methacrylyl-CoA</a></li> <li><a href="/wiki/3-Hydroxyisobutyryl-CoA" title="3-Hydroxyisobutyryl-CoA">3-Hydroxyisobutyryl-CoA</a></li> <li><a href="/wiki/3-Hydroxyisobutyric_acid" title="3-Hydroxyisobutyric acid">3-Hydroxyisobutyric acid</a></li> <li><a href="/wiki/2-Methyl-3-oxopropanoic_acid" class="mw-redirect" title="2-Methyl-3-oxopropanoic acid">2-Methyl-3-oxopropanoic acid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Isoleucine" title="Isoleucine">isoleucine</a>→</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/2,3-Dihydroxy-3-methylpentanoic_acid" title="2,3-Dihydroxy-3-methylpentanoic acid">2,3-Dihydroxy-3-methylpentanoic acid</a></li> <li><a href="/wiki/2-Methylbutyryl-CoA" title="2-Methylbutyryl-CoA">2-Methylbutyryl-CoA</a></li> <li><a href="/wiki/Tiglyl-CoA" title="Tiglyl-CoA">Tiglyl-CoA</a></li> <li><a href="/wiki/2-Methylacetoacetyl-CoA" title="2-Methylacetoacetyl-CoA">2-Methylacetoacetyl-CoA</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Methionine" title="Methionine">methionine</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><i><a href="/wiki/Methionine#Generation_of_homocysteine" title="Methionine">generation of homocysteine</a>:</i> <a href="/wiki/S-Adenosyl_methionine" title="S-Adenosyl methionine"><i>S</i>-Adenosyl methionine</a></li> <li><a href="/wiki/S-Adenosyl-L-homocysteine" title="S-Adenosyl-L-homocysteine"><i>S</i>-Adenosyl-<span class="smallcaps"><span style="font-variant: small-caps; text-transform: lowercase;">L</span></span>-homocysteine</a></li> <li><a href="/wiki/Homocysteine" title="Homocysteine">Homocysteine</a></li></ul> <ul><li><i><a href="/wiki/Methionine#Conversion_to_cysteine" title="Methionine">conversion to cysteine</a>:</i> <a href="/wiki/Cystathionine" title="Cystathionine">Cystathionine</a></li> <li><a href="/wiki/Alpha-Ketobutyric_acid" class="mw-redirect" title="Alpha-Ketobutyric acid">α-Ketobutyric acid</a> + <a href="/wiki/Cysteine" title="Cysteine">Cysteine</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Threonine" title="Threonine">threonine</a>→</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/Alpha-Ketobutyric_acid" class="mw-redirect" title="Alpha-Ketobutyric acid">α-Ketobutyric acid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Propionyl-CoA" title="Propionyl-CoA">propionyl-CoA</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/Methylmalonyl-CoA" title="Methylmalonyl-CoA">Methylmalonyl-CoA</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">G→<a href="/wiki/Fumarate" class="mw-redirect" title="Fumarate">fumarate</a></th><td class="navbox-list-with-group navbox-list navbox-odd" 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%"><a href="/wiki/Phenylalanine" title="Phenylalanine">phenylalanine</a>→<a href="/wiki/Tyrosine" title="Tyrosine">tyrosine</a>→</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-Hydroxyphenylpyruvic_acid" title="4-Hydroxyphenylpyruvic acid">4-Hydroxyphenylpyruvic acid</a></li> <li><a href="/wiki/Homogentisic_acid" title="Homogentisic acid">Homogentisic acid</a></li> <li><a href="/wiki/4-Maleylacetoacetic_acid" title="4-Maleylacetoacetic acid">4-Maleylacetoacetic acid</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">G→<a href="/wiki/Oxaloacetate" class="mw-redirect" title="Oxaloacetate">oxaloacetate</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><i>see <a href="/wiki/Urea_cycle" title="Urea cycle">urea cycle</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</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%"><a href="/wiki/Cysteine_metabolism" title="Cysteine metabolism">Cysteine metabolism</a></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/Cysteine_sulfinic_acid" title="Cysteine sulfinic acid">Cysteine sulfinic acid</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="Ionotropic_glutamate_receptor_modulators1643" style="padding:3px"><table class="nowraplinks hlist 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:Ionotropic_glutamate_receptor_modulators" title="Template:Ionotropic glutamate receptor modulators"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Ionotropic_glutamate_receptor_modulators" title="Template talk:Ionotropic glutamate receptor modulators"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Ionotropic_glutamate_receptor_modulators" title="Special:EditPage/Template:Ionotropic glutamate receptor modulators"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Ionotropic_glutamate_receptor_modulators1643" style="font-size:114%;margin:0 4em"><a href="/wiki/Ionotropic_glutamate_receptor" title="Ionotropic glutamate receptor">Ionotropic glutamate 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%91-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic_acid_receptor" class="mw-redirect" title="Α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor"><abbr title="α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor">AMPAR</abbr></a><span class="sr-only" style="border: 0; clip: rect(0, 0, 0, 0); clip-path: polygon(0px 0px, 0px 0px, 0px 0px); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; white-space: nowrap;">Tooltip α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor</span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b>Agonists:</b> <i>Main site agonists:</i> <a href="/wiki/5-Fluorowillardiine" title="5-Fluorowillardiine">5-Fluorowillardiine</a></li> <li><a href="/wiki/Acromelic_acid_A" title="Acromelic acid A">Acromelic acid (acromelate)</a></li> <li><a href="/wiki/AMPA" title="AMPA">AMPA</a></li> <li><a href="/w/index.php?title=%CE%92-N-Oxalylamino-L-Alanine&amp;action=edit&amp;redlink=1" class="new" title="Β-N-Oxalylamino-L-Alanine (page does not exist)">BOAA</a></li> <li><a href="/wiki/Domoic_acid" title="Domoic acid">Domoic acid</a></li> <li><a href="/wiki/Glutamate" class="mw-redirect" title="Glutamate">Glutamate</a></li> <li><a href="/wiki/Ibotenic_acid" title="Ibotenic acid">Ibotenic acid</a></li> <li><a href="/wiki/Proline" title="Proline">Proline</a></li> <li><a href="/wiki/Quisqualic_acid" title="Quisqualic acid">Quisqualic acid</a></li> <li><a href="/wiki/Willardiine" title="Willardiine">Willardiine</a>; <i>Positive allosteric modulators:</i> <a href="/wiki/Aniracetam" title="Aniracetam">Aniracetam</a></li> <li><a href="/wiki/Cyclothiazide" title="Cyclothiazide">Cyclothiazide</a></li> <li><a href="/wiki/CX-516" title="CX-516">CX-516</a></li> <li><a href="/wiki/CX-546" title="CX-546">CX-546</a></li> <li><a href="/wiki/CX614" title="CX614">CX-614</a></li> <li><a href="/wiki/Farampator" title="Farampator">Farampator (CX-691, ORG-24448)</a></li> <li><a href="/wiki/CX717" title="CX717">CX-717</a></li> <li><a href="/wiki/CX-1739" class="mw-redirect" title="CX-1739">CX-1739</a></li> <li><a href="/w/index.php?title=CX-1942&amp;action=edit&amp;redlink=1" class="new" title="CX-1942 (page does not exist)">CX-1942</a></li> <li><a href="/wiki/Diazoxide" title="Diazoxide">Diazoxide</a></li> <li><a href="/wiki/Hydrochlorothiazide" title="Hydrochlorothiazide">Hydrochlorothiazide (HCTZ)</a></li> <li><a href="/wiki/IDRA-21" title="IDRA-21">IDRA-21</a></li> <li><a href="/w/index.php?title=LY-392098&amp;action=edit&amp;redlink=1" class="new" title="LY-392098 (page does not exist)">LY-392098</a></li> <li><a href="/w/index.php?title=LY-395153&amp;action=edit&amp;redlink=1" class="new" title="LY-395153 (page does not exist)">LY-395153</a></li> <li><a href="/wiki/LY-404187" title="LY-404187">LY-404187</a></li> <li><a href="/w/index.php?title=LY-451646&amp;action=edit&amp;redlink=1" class="new" title="LY-451646 (page does not exist)">LY-451646</a></li> <li><a href="/wiki/LY-503430" title="LY-503430">LY-503430</a></li> <li><a href="/wiki/Mibampator" title="Mibampator">Mibampator (LY-451395)</a></li> <li><a href="/wiki/Nooglutyl" title="Nooglutyl">Nooglutyl</a></li> <li><a href="/wiki/ORG-26576" title="ORG-26576">ORG-26576</a></li> <li><a href="/wiki/Oxiracetam" title="Oxiracetam">Oxiracetam</a></li> <li><a href="/wiki/PEPA_(drug)" title="PEPA (drug)">PEPA</a></li> <li><a href="/wiki/Pesampator" title="Pesampator">Pesampator (BIIB-104, PF-04958242)</a></li> <li><a href="/wiki/Piracetam" title="Piracetam">Piracetam</a></li> <li><a href="/wiki/Pramiracetam" title="Pramiracetam">Pramiracetam</a></li> <li><a href="/wiki/S-18986" title="S-18986">S-18986</a></li> <li><a href="/wiki/Tulrampator" title="Tulrampator">Tulrampator (S-47445, CX-1632)</a></li></ul> <ul><li><b>Antagonists:</b> <a href="/w/index.php?title=ACEA-1011&amp;action=edit&amp;redlink=1" class="new" title="ACEA-1011 (page does not exist)">ACEA-1011</a></li> <li><a href="/w/index.php?title=ATPO&amp;action=edit&amp;redlink=1" class="new" title="ATPO (page does not exist)">ATPO</a></li> <li><a href="/wiki/Becampanel" title="Becampanel">Becampanel</a></li> <li><a href="/wiki/Caroverine" title="Caroverine">Caroverine</a></li> <li><a href="/wiki/CNQX" title="CNQX">CNQX</a></li> <li><a href="/wiki/Dasolampanel" title="Dasolampanel">Dasolampanel</a></li> <li><a href="/wiki/DNQX" title="DNQX">DNQX</a></li> <li><a href="/wiki/Fanapanel" title="Fanapanel">Fanapanel (MPQX)</a></li> <li><a href="/w/index.php?title=Gamma-D-Glutamylaminomethylsulfonic_acid&amp;action=edit&amp;redlink=1" class="new" title="Gamma-D-Glutamylaminomethylsulfonic acid (page does not exist)">GAMS</a></li> <li><a href="/wiki/Kaitocephalin" title="Kaitocephalin">Kaitocephalin</a></li> <li><a href="/wiki/Kynurenic_acid" title="Kynurenic acid">Kynurenic acid</a></li> <li><a class="mw-selflink selflink">Kynurenine</a></li> <li><a href="/wiki/Licostinel" title="Licostinel">Licostinel (ACEA-1021)</a></li> <li><a href="/wiki/NBQX" title="NBQX">NBQX</a></li> <li><a href="/w/index.php?title=PNQX&amp;action=edit&amp;redlink=1" class="new" title="PNQX (page does not exist)">PNQX</a></li> <li><a href="/wiki/Selurampanel" title="Selurampanel">Selurampanel</a></li> <li><a href="/wiki/Tezampanel" title="Tezampanel">Tezampanel</a></li> <li><a href="/wiki/Theanine" title="Theanine">Theanine</a></li> <li><a href="/wiki/Topiramate" title="Topiramate">Topiramate</a></li> <li><a href="/w/index.php?title=YM90K&amp;action=edit&amp;redlink=1" class="new" title="YM90K (page does not exist)">YM90K</a></li> <li><a href="/wiki/Zonampanel" title="Zonampanel">Zonampanel</a>; <i>Negative allosteric modulators:</i> <a href="/wiki/Barbiturates" class="mw-redirect" title="Barbiturates">Barbiturates</a> (e.g., <a href="/wiki/Pentobarbital" title="Pentobarbital">pentobarbital</a>, <a href="/wiki/Sodium_thiopental" title="Sodium thiopental">sodium thiopental</a>)</li> <li><a href="/wiki/Cyclopropane" title="Cyclopropane">Cyclopropane</a></li> <li><a href="/wiki/Enflurane" title="Enflurane">Enflurane</a></li> <li><a href="/wiki/Alcohol_(drug)" title="Alcohol (drug)">Ethanol (alcohol)</a></li> <li><a href="/wiki/Evans_blue_(dye)" title="Evans blue (dye)">Evans blue</a></li> <li><a href="/wiki/GYKI_52466" title="GYKI 52466">GYKI-52466</a></li> <li><a href="/w/index.php?title=GYKI-53655&amp;action=edit&amp;redlink=1" class="new" title="GYKI-53655 (page does not exist)">GYKI-53655</a></li> <li><a href="/wiki/Halothane" title="Halothane">Halothane</a></li> <li><a href="/wiki/Irampanel" title="Irampanel">Irampanel</a></li> <li><a href="/wiki/Isoflurane" title="Isoflurane">Isoflurane</a></li> <li><a href="/wiki/Perampanel" title="Perampanel">Perampanel</a></li> <li><a href="/wiki/Pregnenolone_sulfate" title="Pregnenolone sulfate">Pregnenolone sulfate</a></li> <li><a href="/wiki/Sevoflurane" title="Sevoflurane">Sevoflurane</a></li> <li><a href="/wiki/Talampanel" title="Talampanel">Talampanel</a>; <i>Unknown/unsorted antagonists:</i> <a href="/wiki/Minocycline" title="Minocycline">Minocycline</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Kainate_receptor" title="Kainate receptor"><abbr title="Kainate receptor">KAR</abbr></a><span class="sr-only" style="border: 0; clip: rect(0, 0, 0, 0); clip-path: polygon(0px 0px, 0px 0px, 0px 0px); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; white-space: nowrap;">Tooltip Kainate receptor</span></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b>Agonists:</b> <i>Main site agonists:</i> <a href="/w/index.php?title=5-Bromowillardiine&amp;action=edit&amp;redlink=1" class="new" title="5-Bromowillardiine (page does not exist)">5-Bromowillardiine</a></li> <li><a href="/wiki/5-Iodowillardiine" title="5-Iodowillardiine">5-Iodowillardiine</a></li> <li><a href="/w/index.php?title=Acromelic_acid&amp;action=edit&amp;redlink=1" class="new" title="Acromelic acid (page does not exist)">Acromelic acid (acromelate)</a></li> <li><a href="/wiki/AMPA" title="AMPA">AMPA</a></li> <li><a href="/w/index.php?title=ATPA&amp;action=edit&amp;redlink=1" class="new" title="ATPA (page does not exist)">ATPA</a></li> <li><a href="/wiki/Domoic_acid" title="Domoic acid">Domoic acid</a></li> <li><a href="/wiki/Glutamate" class="mw-redirect" title="Glutamate">Glutamate</a></li> <li><a href="/wiki/Ibotenic_acid" title="Ibotenic acid">Ibotenic acid</a></li> <li><a href="/wiki/Kainic_acid" title="Kainic acid">Kainic acid</a></li> <li><a href="/w/index.php?title=LY-339434&amp;action=edit&amp;redlink=1" class="new" title="LY-339434 (page does not exist)">LY-339434</a></li> <li><a href="/wiki/Proline" title="Proline">Proline</a></li> <li><a href="/wiki/Quisqualic_acid" title="Quisqualic acid">Quisqualic acid</a></li> <li><a href="/wiki/SYM-2081" title="SYM-2081">SYM-2081</a>; <i>Positive allosteric modulators:</i> <a href="/wiki/Cyclothiazide" title="Cyclothiazide">Cyclothiazide</a></li> <li><a href="/wiki/Diazoxide" title="Diazoxide">Diazoxide</a></li> <li><a href="/wiki/Enflurane" title="Enflurane">Enflurane</a></li> <li><a href="/wiki/Halothane" title="Halothane">Halothane</a></li> <li><a href="/wiki/Isoflurane" title="Isoflurane">Isoflurane</a></li></ul> <ul><li><b>Antagonists:</b> <a href="/w/index.php?title=ACEA-1011&amp;action=edit&amp;redlink=1" class="new" title="ACEA-1011 (page does not exist)">ACEA-1011</a></li> <li><a href="/wiki/CNQX" title="CNQX">CNQX</a></li> <li><a href="/wiki/Dasolampanel" title="Dasolampanel">Dasolampanel</a></li> <li><a href="/wiki/DNQX" title="DNQX">DNQX</a></li> <li><a href="/w/index.php?title=Gamma-D-Glutamylaminomethylsulfonic_acid&amp;action=edit&amp;redlink=1" class="new" title="Gamma-D-Glutamylaminomethylsulfonic acid (page does not exist)">GAMS</a></li> <li><a href="/wiki/Kaitocephalin" title="Kaitocephalin">Kaitocephalin</a></li> <li><a href="/wiki/Kynurenic_acid" title="Kynurenic acid">Kynurenic acid</a></li> <li><a href="/wiki/Licostinel" title="Licostinel">Licostinel (ACEA-1021)</a></li> <li><a href="/w/index.php?title=LY-382884&amp;action=edit&amp;redlink=1" class="new" title="LY-382884 (page does not exist)">LY-382884</a></li> <li><a href="/wiki/NBQX" title="NBQX">NBQX</a></li> <li><a href="/wiki/NS102" title="NS102">NS102</a></li> <li><a href="/wiki/Selurampanel" title="Selurampanel">Selurampanel</a></li> <li><a href="/wiki/Tezampanel" title="Tezampanel">Tezampanel</a></li> <li><a href="/wiki/Theanine" title="Theanine">Theanine</a></li> <li><a href="/wiki/Topiramate" title="Topiramate">Topiramate</a></li> <li><a href="/wiki/UBP-302" title="UBP-302">UBP-302</a>; <i>Negative allosteric modulators:</i> <a href="/wiki/Barbiturates" class="mw-redirect" title="Barbiturates">Barbiturates</a> (e.g., <a href="/wiki/Pentobarbital" title="Pentobarbital">pentobarbital</a>, <a href="/wiki/Sodium_thiopental" title="Sodium thiopental">sodium thiopental</a>)</li> <li><a href="/wiki/Enflurane" title="Enflurane">Enflurane</a></li> <li><a href="/wiki/Alcohol_(drug)" title="Alcohol (drug)">Ethanol (alcohol)</a></li> <li><a href="/wiki/Evans_blue_(dye)" title="Evans blue (dye)">Evans blue</a></li> <li><a href="/w/index.php?title=NS-3763&amp;action=edit&amp;redlink=1" class="new" title="NS-3763 (page does not exist)">NS-3763</a></li> <li><a href="/wiki/Pregnenolone_sulfate" title="Pregnenolone sulfate">Pregnenolone sulfate</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/N-Methyl-D-aspartate_receptor" class="mw-redirect" title="N-Methyl-D-aspartate receptor"><abbr title="N-Methyl-D-aspartate receptor">NMDAR</abbr></a><span class="sr-only" style="border: 0; clip: rect(0, 0, 0, 0); clip-path: polygon(0px 0px, 0px 0px, 0px 0px); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; white-space: nowrap;">Tooltip N-Methyl-D-aspartate receptor</span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b>Agonists:</b> <i>Main site agonists:</i> <a href="/w/index.php?title=2-Amino-2-(3-hydroxy-5-methylisoxazol-4-yl)acetic_acid&amp;action=edit&amp;redlink=1" class="new" title="2-Amino-2-(3-hydroxy-5-methylisoxazol-4-yl)acetic acid (page does not exist)">AMAA</a></li> <li><a href="/wiki/Aspartate" class="mw-redirect" title="Aspartate">Aspartate</a></li> <li><a href="/wiki/Glutamate" class="mw-redirect" title="Glutamate">Glutamate</a></li> <li><a href="/wiki/Homocysteic_acid" title="Homocysteic acid">Homocysteic acid (<small>L</small>-HCA)</a></li> <li><a href="/wiki/Homoquinolinic_acid" title="Homoquinolinic acid">Homoquinolinic acid</a></li> <li><a href="/wiki/Ibotenic_acid" title="Ibotenic acid">Ibotenic acid</a></li> <li><a href="/wiki/N-Methyl-D-aspartic_acid" title="N-Methyl-D-aspartic acid">NMDA</a></li> <li><a href="/wiki/Proline" title="Proline">Proline</a></li> <li><a href="/wiki/Quinolinic_acid" title="Quinolinic acid">Quinolinic acid</a></li> <li><a href="/wiki/Tetrazolylglycine" title="Tetrazolylglycine">Tetrazolylglycine</a></li> <li><a href="/wiki/Theanine" title="Theanine">Theanine</a>; <i>Glycine site agonists:</i> <a href="/w/index.php?title=%CE%92-Fluoro-D-alanine&amp;action=edit&amp;redlink=1" class="new" title="Β-Fluoro-D-alanine (page does not exist)">β-Fluoro-<small>D</small>-alanine</a></li> <li><a href="/w/index.php?title=ACBD_(drug)&amp;action=edit&amp;redlink=1" class="new" title="ACBD (drug) (page does not exist)">ACBD</a></li> <li><a href="/wiki/1-Aminocyclopropanecarboxylic_acid" class="mw-redirect" title="1-Aminocyclopropanecarboxylic acid">ACC (ACPC)</a></li> <li><a href="/wiki/ACPD" title="ACPD">ACPD</a></li> <li><a href="/w/index.php?title=AK-51_(drug)&amp;action=edit&amp;redlink=1" class="new" title="AK-51 (drug) (page does not exist)">AK-51</a></li> <li><a href="/wiki/Apimostinel" title="Apimostinel">Apimostinel (NRX-1074)</a></li> <li><a href="/wiki/B6B21" class="mw-redirect" title="B6B21">B6B21</a></li> <li><a href="/w/index.php?title=Carboxycyclopropylglycine&amp;action=edit&amp;redlink=1" class="new" title="Carboxycyclopropylglycine (page does not exist)">CCG</a></li> <li><a href="/wiki/Alanine" title="Alanine"><small>D</small>-Alanine</a></li> <li><a href="/wiki/Cycloserine" title="Cycloserine"><small>D</small>-Cycloserine</a></li> <li><a href="/wiki/Serine" title="Serine"><small>D</small>-Serine</a></li> <li><a href="/w/index.php?title=N-(3,3-Diphenylpropyl)glycinamide&amp;action=edit&amp;redlink=1" class="new" title="N-(3,3-Diphenylpropyl)glycinamide (page does not exist)">DHPG</a></li> <li><a href="/wiki/Dimethylglycine" title="Dimethylglycine">Dimethylglycine</a></li> <li><a href="/wiki/Glycine" title="Glycine">Glycine</a></li> <li><a href="/wiki/HA-966" title="HA-966">HA-966</a></li> <li><a href="/wiki/L-687,414" title="L-687,414">L-687,414</a></li> <li><a href="/wiki/Alanine" title="Alanine"><small>L</small>-Alanine</a></li> <li><a href="/wiki/Serine" title="Serine"><small>L</small>-Serine</a></li> <li><a href="/wiki/Milacemide" title="Milacemide">Milacemide</a></li> <li><a href="/wiki/Neboglamine" title="Neboglamine">Neboglamine (nebostinel)</a></li> <li><a href="/wiki/Rapastinel" title="Rapastinel">Rapastinel (GLYX-13)</a></li> <li><a href="/wiki/Sarcosine" title="Sarcosine">Sarcosine</a>; <i>Polyamine site agonists:</i> <a href="/wiki/Neomycin" title="Neomycin">Neomycin</a></li> <li><a href="/wiki/Spermidine" title="Spermidine">Spermidine</a></li> <li><a href="/wiki/Spermine" title="Spermine">Spermine</a>; <i>Other positive allosteric modulators:</i> <a href="/wiki/24S-Hydroxycholesterol" title="24S-Hydroxycholesterol">24<i>S</i>-Hydroxycholesterol</a></li> <li><a href="/wiki/Dehydroepiandrosterone" title="Dehydroepiandrosterone"><abbr title="Dehydroepiandrosterone">DHEA</abbr></a><span class="sr-only" style="border: 0; clip: rect(0, 0, 0, 0); clip-path: polygon(0px 0px, 0px 0px, 0px 0px); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; white-space: nowrap;">Tooltip Dehydroepiandrosterone</span> (<a href="/wiki/Prasterone" title="Prasterone">prasterone</a>)</li> <li><a href="/wiki/Dehydroepiandrosterone_sulfate" title="Dehydroepiandrosterone sulfate"><abbr title="Dehydroepiandrosterone">DHEA</abbr> sulfate</a> (<a href="/wiki/Prasterone_sulfate" title="Prasterone sulfate">prasterone sulfate</a>)</li> <li><a href="/w/index.php?title=Epipregnanolone_sulfate&amp;action=edit&amp;redlink=1" class="new" title="Epipregnanolone sulfate (page does not exist)">Epipregnanolone sulfate</a></li> <li><a href="/w/index.php?title=Plazinemdor&amp;action=edit&amp;redlink=1" class="new" title="Plazinemdor (page does not exist)">Plazinemdor</a></li> <li><a href="/wiki/Pregnenolone_sulfate" title="Pregnenolone sulfate">Pregnenolone sulfate</a></li> <li><a href="/w/index.php?title=SAGE-201&amp;action=edit&amp;redlink=1" class="new" title="SAGE-201 (page does not exist)">SAGE-201</a></li> <li><a href="/w/index.php?title=SAGE-301&amp;action=edit&amp;redlink=1" class="new" title="SAGE-301 (page does not exist)">SAGE-301</a></li> <li><a href="/wiki/SAGE-718" class="mw-redirect" title="SAGE-718">SAGE-718</a></li></ul> <ul><li><b>Antagonists:</b> <i>Competitive antagonists:</i> <a href="/wiki/AP5" title="AP5">AP5 (APV)</a></li> <li><a href="/wiki/AP-7_(drug)" title="AP-7 (drug)">AP7</a></li> <li><a href="/wiki/CGP-37849" title="CGP-37849">CGP-37849</a></li> <li><a href="/wiki/CGP-39551" title="CGP-39551">CGP-39551</a></li> <li><a href="/w/index.php?title=CGP-39653&amp;action=edit&amp;redlink=1" class="new" title="CGP-39653 (page does not exist)">CGP-39653</a></li> <li><a href="/w/index.php?title=CGP-40116&amp;action=edit&amp;redlink=1" class="new" title="CGP-40116 (page does not exist)">CGP-40116</a></li> <li><a href="/wiki/CGS-19755" class="mw-redirect" title="CGS-19755">CGS-19755</a></li> <li><a href="/w/index.php?title=3-(2-carboxypiperazin-4-yl)propyl-1-phosphonic_acid&amp;action=edit&amp;redlink=1" class="new" title="3-(2-carboxypiperazin-4-yl)propyl-1-phosphonic acid (page does not exist)">CPP</a></li> <li><a href="/wiki/Kaitocephalin" title="Kaitocephalin">Kaitocephalin</a></li> <li><a href="/w/index.php?title=LY-233053&amp;action=edit&amp;redlink=1" class="new" title="LY-233053 (page does not exist)">LY-233053</a></li> <li><a href="/wiki/LY-235959" title="LY-235959">LY-235959</a></li> <li><a href="/w/index.php?title=LY-274614&amp;action=edit&amp;redlink=1" class="new" title="LY-274614 (page does not exist)">LY-274614</a></li> <li><a href="/w/index.php?title=MDL-100453&amp;action=edit&amp;redlink=1" class="new" title="MDL-100453 (page does not exist)">MDL-100453</a></li> <li><a href="/wiki/Midafotel" title="Midafotel">Midafotel (d-CPPene)</a></li> <li><a href="/w/index.php?title=NPC-12626&amp;action=edit&amp;redlink=1" class="new" title="NPC-12626 (page does not exist)">NPC-12626</a></li> <li><a href="/w/index.php?title=NPC-17742&amp;action=edit&amp;redlink=1" class="new" title="NPC-17742 (page does not exist)">NPC-17742</a></li> <li><a href="/w/index.php?title=PBPD&amp;action=edit&amp;redlink=1" class="new" title="PBPD (page does not exist)">PBPD</a></li> <li><a href="/wiki/PEAQX" title="PEAQX">PEAQX</a></li> <li><a href="/wiki/Perzinfotel" title="Perzinfotel">Perzinfotel</a></li> <li><a href="/w/index.php?title=Cis-1-(phenanthrene-2-carbonyl)piperazine-2,3-dicarboxylic_acid&amp;action=edit&amp;redlink=1" class="new" title="Cis-1-(phenanthrene-2-carbonyl)piperazine-2,3-dicarboxylic acid (page does not exist)">PPDA</a></li> <li><a href="/w/index.php?title=SDZ-220581&amp;action=edit&amp;redlink=1" class="new" title="SDZ-220581 (page does not exist)">SDZ-220581</a></li> <li><a href="/wiki/Selfotel" title="Selfotel">Selfotel</a>; <i>Glycine site antagonists:</i> <a href="/wiki/4-Chlorokynurenine" title="4-Chlorokynurenine">4-Cl-KYN (AV-101)</a></li> <li><a href="/wiki/5,7-Dichlorokynurenic_acid" title="5,7-Dichlorokynurenic acid">5,7-DCKA</a></li> <li><a href="/wiki/7-Chlorokynurenic_acid" title="7-Chlorokynurenic acid">7-CKA</a></li> <li><a href="/wiki/1-Aminocyclopropane-1-carboxylic_acid" title="1-Aminocyclopropane-1-carboxylic acid">ACC</a></li> <li><a href="/w/index.php?title=ACEA-1011&amp;action=edit&amp;redlink=1" class="new" title="ACEA-1011 (page does not exist)">ACEA-1011</a></li> <li><a href="/w/index.php?title=ACEA-1328&amp;action=edit&amp;redlink=1" class="new" title="ACEA-1328 (page does not exist)">ACEA-1328</a></li> <li><a href="/wiki/Apimostinel" title="Apimostinel">Apimostinel (NRX-1074)</a></li> <li><a href="/wiki/AV-101" class="mw-redirect" title="AV-101">AV-101</a></li> <li><a href="/wiki/Carisoprodol" title="Carisoprodol">Carisoprodol</a></li> <li><a href="/w/index.php?title=CGP-39653&amp;action=edit&amp;redlink=1" class="new" title="CGP-39653 (page does not exist)">CGP-39653</a></li> <li><a href="/wiki/CNQX" title="CNQX">CNQX</a></li> <li><a href="/wiki/Cycloserine" title="Cycloserine"><small>D</small>-Cycloserine</a></li> <li><a href="/wiki/DNQX" title="DNQX">DNQX</a></li> <li><a href="/wiki/Felbamate" title="Felbamate">Felbamate</a></li> <li><a href="/wiki/Gavestinel" title="Gavestinel">Gavestinel</a></li> <li><a href="/w/index.php?title=GV-196771&amp;action=edit&amp;redlink=1" class="new" title="GV-196771 (page does not exist)">GV-196771</a></li> <li><a href="/w/index.php?title=Harkoseride&amp;action=edit&amp;redlink=1" class="new" title="Harkoseride (page does not exist)">Harkoseride</a></li> <li><a href="/wiki/Kynurenic_acid" title="Kynurenic acid">Kynurenic acid</a></li> <li><a class="mw-selflink selflink">Kynurenine</a></li> <li><a href="/w/index.php?title=L-689560&amp;action=edit&amp;redlink=1" class="new" title="L-689560 (page does not exist)">L-689560</a></li> <li><a href="/wiki/L-701324" title="L-701324">L-701324</a></li> <li><a href="/wiki/Licostinel" title="Licostinel">Licostinel (ACEA-1021)</a></li> <li><a href="/w/index.php?title=LU-73068&amp;action=edit&amp;redlink=1" class="new" title="LU-73068 (page does not exist)">LU-73068</a></li> <li><a href="/w/index.php?title=MDL-105519&amp;action=edit&amp;redlink=1" class="new" title="MDL-105519 (page does not exist)">MDL-105519</a></li> <li><a href="/wiki/Meprobamate" title="Meprobamate">Meprobamate</a></li> <li><a href="/w/index.php?title=MRZ_2/576&amp;action=edit&amp;redlink=1" class="new" title="MRZ 2/576 (page does not exist)">MRZ 2/576</a></li> <li><a href="/w/index.php?title=PNQX&amp;action=edit&amp;redlink=1" class="new" title="PNQX (page does not exist)">PNQX</a></li> <li><a href="/wiki/Rapastinel" title="Rapastinel">Rapastinel (GLYX-13)</a></li> <li><a href="/wiki/ZD-9379" title="ZD-9379">ZD-9379</a>; <i>Polyamine site antagonists:</i> <a href="/w/index.php?title=Arcaine&amp;action=edit&amp;redlink=1" class="new" title="Arcaine (page does not exist)">Arcaine</a></li> <li><a href="/w/index.php?title=Co_101676&amp;action=edit&amp;redlink=1" class="new" title="Co 101676 (page does not exist)">Co 101676</a></li> <li><a href="/wiki/1,3-Diaminopropane" title="1,3-Diaminopropane">Diaminopropane</a></li> <li><a href="/wiki/Diethylenetriamine" title="Diethylenetriamine">Diethylenetriamine</a></li> <li><a href="/wiki/Huperzine_A" title="Huperzine A">Huperzine A</a></li> <li><a href="/wiki/Putrescine" title="Putrescine">Putrescine</a>; <i>Uncompetitive pore blockers (mostly dizocilpine site):</i> <a href="/wiki/2-MDP" title="2-MDP">2-MDP</a></li> <li><a href="/wiki/3-HO-PCP" title="3-HO-PCP">3-HO-PCP</a></li> <li><a href="/wiki/3-MeO-PCE" title="3-MeO-PCE">3-MeO-PCE</a></li> <li><a href="/wiki/3-MeO-PCMo" title="3-MeO-PCMo">3-MeO-PCMo</a></li> <li><a href="/wiki/3-MeO-PCP" title="3-MeO-PCP">3-MeO-PCP</a></li> <li><a href="/wiki/4-MeO-PCP" title="4-MeO-PCP">4-MeO-PCP</a></li> <li><a href="/wiki/8a-Phenyldecahydroquinoline" class="mw-redirect" title="8a-Phenyldecahydroquinoline">8A-PDHQ</a></li> <li><a href="/wiki/18-Methoxycoronaridine" title="18-Methoxycoronaridine">18-MC</a></li> <li><a href="/wiki/Alpha-Endopsychosin" class="mw-redirect" title="Alpha-Endopsychosin">α-Endopsychosin</a></li> <li><a href="/wiki/Alaproclate" title="Alaproclate">Alaproclate</a></li> <li><a href="/wiki/Alazocine" title="Alazocine">Alazocine (SKF-10047)</a></li> <li><a href="/wiki/Amantadine" title="Amantadine">Amantadine</a></li> <li><a href="/wiki/Aptiganel" title="Aptiganel">Aptiganel</a></li> <li><a href="/w/index.php?title=Argiotoxin-636&amp;action=edit&amp;redlink=1" class="new" title="Argiotoxin-636 (page does not exist)">Argiotoxin-636</a></li> <li><a href="/wiki/Arketamine" title="Arketamine">Arketamine</a></li> <li><a href="/w/index.php?title=ARL-12495&amp;action=edit&amp;redlink=1" class="new" title="ARL-12495 (page does not exist)">ARL-12495</a></li> <li><a href="/wiki/ARL-15896-AR" class="mw-redirect" title="ARL-15896-AR">ARL-15896-AR</a></li> <li><a href="/wiki/ARL-16247" class="mw-redirect" title="ARL-16247">ARL-16247</a></li> <li><a href="/wiki/Budipine" title="Budipine">Budipine</a></li> <li><a href="/wiki/Coronaridine" title="Coronaridine">Coronaridine</a></li> <li><a href="/wiki/Delucemine" title="Delucemine">Delucemine (NPS-1506)</a></li> <li><a href="/wiki/Dexoxadrol" title="Dexoxadrol">Dexoxadrol</a></li> <li><a href="/wiki/Dextrallorphan" title="Dextrallorphan">Dextrallorphan</a></li> <li><a href="/wiki/Dextromethadone" class="mw-redirect" title="Dextromethadone">Dextromethadone</a></li> <li><a href="/wiki/Dextromethorphan" title="Dextromethorphan">Dextromethorphan</a></li> <li><a href="/wiki/Dextrorphan" title="Dextrorphan">Dextrorphan</a></li> <li><a href="/wiki/Dieticyclidine" title="Dieticyclidine">Dieticyclidine</a></li> <li><a href="/wiki/Diphenidine" title="Diphenidine">Diphenidine</a></li> <li><a href="/wiki/Dizocilpine" title="Dizocilpine">Dizocilpine</a></li> <li><a href="/wiki/Ephenidine" title="Ephenidine">Ephenidine</a></li> <li><a href="/wiki/Esketamine" title="Esketamine">Esketamine</a></li> <li><a href="/wiki/Etoxadrol" title="Etoxadrol">Etoxadrol</a></li> <li><a href="/wiki/Eticyclidine" title="Eticyclidine">Eticyclidine</a></li> <li><a href="/wiki/Fluorolintane" title="Fluorolintane">Fluorolintane</a></li> <li><a href="/wiki/Gacyclidine" title="Gacyclidine">Gacyclidine</a></li> <li><a href="/wiki/Ibogaine" title="Ibogaine">Ibogaine</a></li> <li><a href="/wiki/Ibogamine" title="Ibogamine">Ibogamine</a></li> <li><a href="/wiki/Indantadol" title="Indantadol">Indantadol</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/Lanicemine" title="Lanicemine">Lanicemine</a></li> <li><a href="/wiki/Levomethadone" title="Levomethadone">Levomethadone</a></li> <li><a href="/wiki/Levomethorphan" title="Levomethorphan">Levomethorphan</a></li> <li><a href="/wiki/Levomilnacipran" title="Levomilnacipran">Levomilnacipran</a></li> <li><a href="/wiki/Levorphanol" title="Levorphanol">Levorphanol</a></li> <li><a href="/wiki/Loperamide" title="Loperamide">Loperamide</a></li> <li><a href="/wiki/Memantine" title="Memantine">Memantine</a></li> <li><a href="/wiki/Methadone" title="Methadone">Methadone</a></li> <li><a href="/wiki/Methorphan" title="Methorphan">Methorphan</a></li> <li><a href="/wiki/Methoxetamine" title="Methoxetamine">Methoxetamine</a></li> <li><a href="/wiki/Methoxphenidine" title="Methoxphenidine">Methoxphenidine</a></li> <li><a href="/wiki/Milnacipran" title="Milnacipran">Milnacipran</a></li> <li><a href="/wiki/Morphanol" class="mw-redirect" title="Morphanol">Morphanol</a></li> <li><a href="/wiki/NEFA_(drug)" title="NEFA (drug)">NEFA</a></li> <li><a href="/wiki/Neramexane" title="Neramexane">Neramexane</a></li> <li><a href="/wiki/Nitromemantine" title="Nitromemantine">Nitromemantine</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/Orphenadrine" title="Orphenadrine">Orphenadrine</a></li> <li><a href="/wiki/PCPr" title="PCPr">PCPr</a></li> <li><a href="/wiki/PD-137889" title="PD-137889">PD-137889</a></li> <li><a href="/wiki/Pethidine" title="Pethidine">Pethidine (meperidine)</a></li> <li><a href="/wiki/Phencyclamine" class="mw-redirect" title="Phencyclamine">Phencyclamine</a></li> <li><a href="/wiki/Phencyclidine" title="Phencyclidine">Phencyclidine</a></li> <li><a href="/wiki/Propoxyphene" class="mw-redirect" title="Propoxyphene">Propoxyphene</a></li> <li><a href="/wiki/Remacemide" title="Remacemide">Remacemide</a></li> <li><a href="/wiki/Rhynchophylline" title="Rhynchophylline">Rhynchophylline</a></li> <li><a href="/wiki/Rimantadine" title="Rimantadine">Rimantadine</a></li> <li><a href="/wiki/Rolicyclidine" title="Rolicyclidine">Rolicyclidine</a></li> <li><a href="/wiki/Sabeluzole" title="Sabeluzole">Sabeluzole</a></li> <li><a href="/wiki/Tabernanthine" title="Tabernanthine">Tabernanthine</a></li> <li><a href="/wiki/Tenocyclidine" title="Tenocyclidine">Tenocyclidine</a></li> <li><a href="/wiki/Tiletamine" title="Tiletamine">Tiletamine</a></li> <li><a href="/wiki/Tramadol" title="Tramadol">Tramadol</a>; <i>Ifenprodil (NR2B) site antagonists:</i></li> <li><a href="/wiki/Besonprodil" title="Besonprodil">Besonprodil</a></li> <li><a href="/wiki/Buphenine" title="Buphenine">Buphenine (nylidrin)</a></li> <li><a href="/w/index.php?title=CO-101244&amp;action=edit&amp;redlink=1" class="new" title="CO-101244 (page does not exist)">CO-101244 (PD-174494)</a></li> <li><a href="/wiki/Eliprodil" title="Eliprodil">Eliprodil</a></li> <li><a href="/wiki/Haloperidol" title="Haloperidol">Haloperidol</a></li> <li><a href="/wiki/Isoxsuprine" title="Isoxsuprine">Isoxsuprine</a></li> <li><a href="/w/index.php?title=Radiprodil&amp;action=edit&amp;redlink=1" class="new" title="Radiprodil (page does not exist)">Radiprodil (RGH-896)</a></li> <li><a href="/wiki/Rislenemdaz" title="Rislenemdaz">Rislenemdaz (CERC-301, MK-0657)</a></li> <li><a href="/w/index.php?title=Ro_8-4304&amp;action=edit&amp;redlink=1" class="new" title="Ro 8-4304 (page does not exist)">Ro 8-4304</a></li> <li><a href="/w/index.php?title=Ro_25-6981&amp;action=edit&amp;redlink=1" class="new" title="Ro 25-6981 (page does not exist)">Ro 25-6981</a></li> <li><a href="/wiki/Safaprodil" class="mw-redirect" title="Safaprodil">Safaprodil</a></li> <li><a href="/wiki/Traxoprodil" title="Traxoprodil">Traxoprodil (CP-101606)</a>; <i>NR2A-selective antagonists:</i> <a href="/w/index.php?title=MPX-004&amp;action=edit&amp;redlink=1" class="new" title="MPX-004 (page does not exist)">MPX-004</a></li> <li><a href="/w/index.php?title=MPX-007&amp;action=edit&amp;redlink=1" class="new" title="MPX-007 (page does not exist)">MPX-007</a></li> <li><a href="/w/index.php?title=TCN-201&amp;action=edit&amp;redlink=1" class="new" title="TCN-201 (page does not exist)">TCN-201</a></li> <li><a href="/w/index.php?title=TCN-213&amp;action=edit&amp;redlink=1" class="new" title="TCN-213 (page does not exist)">TCN-213</a>; <i>Cations:</i> <a href="/wiki/Hydrogen" title="Hydrogen">Hydrogen</a></li> <li><a href="/wiki/Magnesium" title="Magnesium">Magnesium</a></li> <li><a href="/wiki/Zinc" title="Zinc">Zinc</a>; <i>Alcohols/volatile anesthetics/related:</i> <a href="/wiki/Benzene" title="Benzene">Benzene</a></li> <li><a href="/wiki/Butane" title="Butane">Butane</a></li> <li><a href="/wiki/Chloroform" title="Chloroform">Chloroform</a></li> <li><a href="/wiki/Cyclopropane" title="Cyclopropane">Cyclopropane</a></li> <li><a href="/wiki/Desflurane" title="Desflurane">Desflurane</a></li> <li><a href="/wiki/Diethyl_ether" title="Diethyl ether">Diethyl ether</a></li> <li><a href="/wiki/Enflurane" title="Enflurane">Enflurane</a></li> <li><a href="/wiki/Alcohol_(drug)" title="Alcohol (drug)">Ethanol (alcohol)</a></li> <li><a href="/wiki/Halothane" title="Halothane">Halothane</a></li> <li><a href="/wiki/Hexanol" title="Hexanol">Hexanol</a></li> <li><a href="/wiki/Isoflurane" title="Isoflurane">Isoflurane</a></li> <li><a href="/wiki/Methoxyflurane" title="Methoxyflurane">Methoxyflurane</a></li> <li><a href="/wiki/Nitrous_oxide" title="Nitrous oxide">Nitrous oxide</a></li> <li><a href="/wiki/Octanol" title="Octanol">Octanol</a></li> <li><a href="/wiki/Sevoflurane" title="Sevoflurane">Sevoflurane</a></li> <li><a href="/wiki/Toluene" title="Toluene">Toluene</a></li> <li><a href="/wiki/1,1,1-Trichloroethane" title="1,1,1-Trichloroethane">Trichloroethane</a></li> <li><a href="/wiki/2,2,2-Trichloroethanol" title="2,2,2-Trichloroethanol">Trichloroethanol</a></li> <li><a href="/wiki/Trichloroethylene" title="Trichloroethylene">Trichloroethylene</a></li> <li><a href="/wiki/Ethyl_carbamate" title="Ethyl carbamate">Urethane</a></li> <li><a href="/wiki/Xenon" title="Xenon">Xenon</a></li> <li><a href="/wiki/Xylene" title="Xylene">Xylene</a>; <i>Unknown/unsorted antagonists:</i> <a href="/w/index.php?title=ARR-15896&amp;action=edit&amp;redlink=1" class="new" title="ARR-15896 (page does not exist)">ARR-15896</a></li> <li><a href="/wiki/Bumetanide" title="Bumetanide">Bumetanide</a></li> <li><a href="/wiki/Caroverine" title="Caroverine">Caroverine</a></li> <li><a href="/wiki/Conantokin" title="Conantokin">Conantokin</a></li> <li><a href="/wiki/D-%CE%B1-Aminoadipate" class="mw-redirect" title="D-α-Aminoadipate"><small>D</small>-αAA</a></li> <li><a href="/wiki/Dexanabinol" title="Dexanabinol">Dexanabinol</a></li> <li><a href="/wiki/Flufenamic_acid" title="Flufenamic acid">Flufenamic acid</a></li> <li><a href="/wiki/Flupirtine" title="Flupirtine">Flupirtine</a></li> <li><a href="/w/index.php?title=FPL-12495&amp;action=edit&amp;redlink=1" class="new" title="FPL-12495 (page does not exist)">FPL-12495</a></li> <li><a href="/w/index.php?title=FR-115427&amp;action=edit&amp;redlink=1" class="new" title="FR-115427 (page does not exist)">FR-115427</a></li> <li><a href="/wiki/Furosemide" title="Furosemide">Furosemide</a></li> <li><a href="/wiki/Hodgkinsine" title="Hodgkinsine">Hodgkinsine</a></li> <li><a href="/w/index.php?title=Ipenoxazone&amp;action=edit&amp;redlink=1" class="new" title="Ipenoxazone (page does not exist)">Ipenoxazone (MLV-6976)</a></li> <li><a href="/w/index.php?title=MDL-27266&amp;action=edit&amp;redlink=1" class="new" title="MDL-27266 (page does not exist)">MDL-27266</a></li> <li><a href="/wiki/Metaphit" title="Metaphit">Metaphit</a></li> <li><a href="/wiki/Minocycline" title="Minocycline">Minocycline</a></li> <li><a href="/wiki/2-Methyl-6-(phenylethynyl)pyridine" title="2-Methyl-6-(phenylethynyl)pyridine">MPEP</a></li> <li><a href="/wiki/Niflumic_acid" title="Niflumic acid">Niflumic acid</a></li> <li><a href="/wiki/Pentamidine" title="Pentamidine">Pentamidine</a></li> <li><a href="/wiki/Pentamidine_isethionate" class="mw-redirect" title="Pentamidine isethionate">Pentamidine isethionate</a></li> <li><a href="/wiki/Piretanide" title="Piretanide">Piretanide</a></li> <li><a href="/wiki/Psychotridine" title="Psychotridine">Psychotridine</a></li> <li><a href="/wiki/Transcrocetin" class="mw-redirect" title="Transcrocetin">Transcrocetin</a> (<a href="/wiki/Saffron" title="Saffron">saffron</a>)</li></ul> <ul><li><b>Unsorted:</b> <i>Allosteric modulators:</i> <a href="/wiki/AGN-241751" class="mw-redirect" title="AGN-241751">AGN-241751</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><i><b>See also:</b> <a href="/wiki/Template:Receptor_modulators" title="Template:Receptor modulators">Receptor/signaling modulators</a></i></li> <li><i><a href="/wiki/Template:Metabotropic_glutamate_receptor_modulators" title="Template:Metabotropic glutamate receptor modulators">Metabotropic glutamate receptor modulators</a></i></li> <li><i><a href="/wiki/Template:Glutamate_metabolism_and_transport_modulators" title="Template:Glutamate metabolism and transport modulators">Glutamate metabolism/transport modulators</a></i></li></ul> </div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐7777d9bc4f‐9fmmp Cached time: 20250204082920 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 1.012 seconds Real time usage: 1.275 seconds Preprocessor visited node count: 9694/1000000 Post‐expand include size: 276831/2097152 bytes Template argument size: 32590/2097152 bytes Highest expansion depth: 25/100 Expensive parser function count: 3/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 180225/5000000 bytes Lua time usage: 0.546/10.000 seconds Lua memory usage: 9594008/52428800 bytes Number of Wikibase entities loaded: 1/400 --> <!-- Transclusion expansion time report 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