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Available in 68 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-68" 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">68 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B3%D8%A7%D9%8A%D8%AA%D9%88%D8%B3%D9%8A%D9%86" title="سايتوسين – Arabic" lang="ar" hreflang="ar" data-title="سايتوسين" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Sitozin" title="Sitozin – Azerbaijani" lang="az" hreflang="az" data-title="Sitozin" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%B3%DB%8C%D8%AA%D9%88%D8%B2%DB%8C%D9%86" title="سیتوزین – South Azerbaijani" lang="azb" hreflang="azb" data-title="سیتوزین" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A6%BE%E0%A6%87%E0%A6%9F%E0%A7%8B%E0%A6%B8%E0%A6%BF%E0%A6%A8" title="সাইটোসিন – Bangla" lang="bn" hreflang="bn" data-title="সাইটোসিন" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Cytosin" title="Cytosin – Minnan" lang="nan" hreflang="nan" data-title="Cytosin" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A6%D1%8B%D1%82%D0%B0%D0%B7%D1%96%D0%BD" title="Цытазін – Belarusian" lang="be" hreflang="be" data-title="Цытазін" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A6%D0%B8%D1%82%D0%BE%D0%B7%D0%B8%D0%BD" title="Цитозин – Bulgarian" lang="bg" hreflang="bg" data-title="Цитозин" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Citozin" title="Citozin – Bosnian" lang="bs" hreflang="bs" data-title="Citozin" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Sitozin" title="Sitozin – Breton" lang="br" hreflang="br" data-title="Sitozin" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Citosina" title="Citosina – Catalan" lang="ca" hreflang="ca" data-title="Citosina" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Cytosin" title="Cytosin – Czech" lang="cs" hreflang="cs" data-title="Cytosin" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Cytosin" title="Cytosin – Danish" lang="da" hreflang="da" data-title="Cytosin" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Cytosin" title="Cytosin – German" lang="de" hreflang="de" data-title="Cytosin" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Ts%C3%BCtosiin" title="Tsütosiin – Estonian" lang="et" hreflang="et" data-title="Tsütosiin" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9A%CF%85%CF%84%CE%BF%CF%83%CE%AF%CE%BD%CE%B7" title="Κυτοσίνη – Greek" lang="el" hreflang="el" data-title="Κυτοσίνη" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Citosina" title="Citosina – Spanish" lang="es" hreflang="es" data-title="Citosina" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Citozino" title="Citozino – Esperanto" lang="eo" hreflang="eo" data-title="Citozino" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Zitosina" title="Zitosina – Basque" lang="eu" hreflang="eu" data-title="Zitosina" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B3%DB%8C%D8%AA%D9%88%D8%B2%DB%8C%D9%86" title="سیتوزین – Persian" lang="fa" hreflang="fa" data-title="سیتوزین" 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/Cytosine" title="Cytosine – French" lang="fr" hreflang="fr" data-title="Cytosine" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/C%C3%ADot%C3%B3is%C3%ADn" title="Cíotóisín – Irish" lang="ga" hreflang="ga" data-title="Cíotóisín" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Citosina" title="Citosina – Galician" lang="gl" hreflang="gl" data-title="Citosina" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%82%AC%EC%9D%B4%ED%86%A0%EC%8B%A0" title="사이토신 – Korean" lang="ko" hreflang="ko" data-title="사이토신" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%91%D5%AB%D5%BF%D5%B8%D5%A6%D5%AB%D5%B6" title="Ցիտոզին – Armenian" lang="hy" hreflang="hy" data-title="Ցիտոզին" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B8%E0%A4%BE%E0%A4%87%E0%A4%9F%E0%A5%8B%E0%A4%B8%E0%A4%BF%E0%A4%A8" title="साइटोसिन – Hindi" lang="hi" hreflang="hi" data-title="साइटोसिन" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Citozin" title="Citozin – Croatian" lang="hr" hreflang="hr" data-title="Citozin" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Sitosina" title="Sitosina – Indonesian" lang="id" hreflang="id" data-title="Sitosina" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Citosina" title="Citosina – Italian" lang="it" hreflang="it" data-title="Citosina" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A6%D7%99%D7%98%D7%95%D7%96%D7%99%D7%9F" title="ציטוזין – Hebrew" lang="he" hreflang="he" data-title="ציטוזין" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Sitosin" title="Sitosin – Javanese" lang="jv" hreflang="jv" data-title="Sitosin" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%AA%E1%83%98%E1%83%A2%E1%83%9D%E1%83%96%E1%83%98%E1%83%9C%E1%83%98" title="ციტოზინი – Georgian" lang="ka" hreflang="ka" data-title="ციტოზინი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A6%D0%B8%D1%82%D0%BE%D0%B7%D0%B8%D0%BD" title="Цитозин – Kazakh" lang="kk" hreflang="kk" data-title="Цитозин" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Cytosine" title="Cytosine – Swahili" lang="sw" hreflang="sw" data-title="Cytosine" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/S%C3%AEtoz%C3%AEn" title="Sîtozîn – Kurdish" lang="ku" hreflang="ku" data-title="Sîtozîn" data-language-autonym="Kurdî" data-language-local-name="Kurdish" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Cytosinum" title="Cytosinum – Latin" lang="la" hreflang="la" data-title="Cytosinum" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Citoz%C4%ABns" title="Citozīns – Latvian" lang="lv" hreflang="lv" data-title="Citozīns" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Citozinas" title="Citozinas – Lithuanian" lang="lt" hreflang="lt" data-title="Citozinas" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Citozin" title="Citozin – Hungarian" lang="hu" hreflang="hu" data-title="Citozin" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A6%D0%B8%D1%82%D0%BE%D0%B7%D0%B8%D0%BD" title="Цитозин – Macedonian" lang="mk" hreflang="mk" data-title="Цитозин" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B8%E0%B5%88%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%8B%E0%B4%B8%E0%B4%BF%E0%B5%BB" title="സൈറ്റോസിൻ – Malayalam" lang="ml" hreflang="ml" data-title="സൈറ്റോസിൻ" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Sitosina" title="Sitosina – Malay" lang="ms" hreflang="ms" data-title="Sitosina" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Cytosine" title="Cytosine – Dutch" lang="nl" hreflang="nl" data-title="Cytosine" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%B7%E3%83%88%E3%82%B7%E3%83%B3" title="シトシン – Japanese" lang="ja" hreflang="ja" data-title="シトシン" 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-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Cytosin" title="Cytosin – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Cytosin" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Cytosin" title="Cytosin – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Cytosin" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Citosina" title="Citosina – Occitan" lang="oc" hreflang="oc" data-title="Citosina" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Cytozyna" title="Cytozyna – Polish" lang="pl" hreflang="pl" data-title="Cytozyna" 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/Citosina" title="Citosina – Portuguese" lang="pt" hreflang="pt" data-title="Citosina" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Citozin%C4%83" title="Citozină – Romanian" lang="ro" hreflang="ro" data-title="Citozină" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%A6%D0%B8%D1%82%D0%BE%D0%B7%D0%B8%D0%BD" title="Цитозин – Rusyn" lang="rue" hreflang="rue" data-title="Цитозин" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A6%D0%B8%D1%82%D0%BE%D0%B7%D0%B8%D0%BD" title="Цитозин – Russian" lang="ru" hreflang="ru" data-title="Цитозин" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Cytosine" title="Cytosine – Simple English" lang="en-simple" hreflang="en-simple" data-title="Cytosine" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Cytoz%C3%ADn" title="Cytozín – Slovak" lang="sk" hreflang="sk" data-title="Cytozín" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Citozin" title="Citozin – Slovenian" lang="sl" hreflang="sl" data-title="Citozin" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A6%D0%B8%D1%82%D0%BE%D0%B7%D0%B8%D0%BD" title="Цитозин – Serbian" lang="sr" hreflang="sr" data-title="Цитозин" 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/Citozin" title="Citozin – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Citozin" 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/Sytosiini" title="Sytosiini – Finnish" lang="fi" hreflang="fi" data-title="Sytosiini" 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/Cytosin" title="Cytosin – Swedish" lang="sv" hreflang="sv" data-title="Cytosin" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li 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Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Cytosin" title="Cytosin – Waray" lang="war" hreflang="war" data-title="Cytosin" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E8%83%9E%E5%98%A7%E5%95%B6" title="胞嘧啶 – Wu" lang="wuu" hreflang="wuu" data-title="胞嘧啶" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E8%83%9E%E5%98%A7%E5%95%B6" title="胞嘧啶 – Cantonese" lang="yue" hreflang="yue" data-title="胞嘧啶" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</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"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical compound in nucleic acids</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Not to be confused with <a href="/wiki/Cytokine" title="Cytokine">cytokine</a>, <a href="/wiki/Cytidine" title="Cytidine">cytidine</a>, <a href="/wiki/Cysteine" title="Cysteine">cysteine</a>, <a href="/wiki/Cystine" title="Cystine">cystine</a>, or <a href="/wiki/Cytisine" title="Cytisine">cytisine</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1084375498">.mw-parser-output .ib-chembox{border-collapse:collapse;text-align:left}.mw-parser-output .ib-chembox td,.mw-parser-output .ib-chembox th{border:1px solid #a2a9b1;width:40%}.mw-parser-output .ib-chembox td+td{width:60%}</style> <table class="infobox ib-chembox"> <caption>Cytosine </caption> <tbody><tr> <td colspan="2" style="text-align:center; padding:2px;"><span class="skin-invert-image" typeof="mw:File"><a href="/wiki/File:Cytosine_structure_2022.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/18/Cytosine_structure_2022.svg/120px-Cytosine_structure_2022.svg.png" decoding="async" width="120" height="166" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/18/Cytosine_structure_2022.svg/180px-Cytosine_structure_2022.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/18/Cytosine_structure_2022.svg/240px-Cytosine_structure_2022.svg.png 2x" data-file-width="87" data-file-height="120" /></a></span> </td></tr> <tr> <td colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:Cytosine-3D-balls.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Cytosine-3D-balls.png/180px-Cytosine-3D-balls.png" decoding="async" width="180" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Cytosine-3D-balls.png/270px-Cytosine-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Cytosine-3D-balls.png/360px-Cytosine-3D-balls.png 2x" data-file-width="1000" data-file-height="836" /></a></span> </td></tr> <tr> <td colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:Cytosine-3D-vdW.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d9/Cytosine-3D-vdW.png/150px-Cytosine-3D-vdW.png" decoding="async" width="150" height="125" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d9/Cytosine-3D-vdW.png/225px-Cytosine-3D-vdW.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d9/Cytosine-3D-vdW.png/300px-Cytosine-3D-vdW.png 2x" data-file-width="1000" data-file-height="836" /></a></span> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Names </th></tr> <tr> <td colspan="2" style="text-align:left;"><a href="/wiki/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;">4-Aminopyrimidin-2(1<i>H</i>)-one</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;">4-Amino-1<i>H</i>-pyrimidine-2-one</div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Identifiers </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CAS_Registry_Number" title="CAS Registry Number">CAS Number</a></div> </td> <td><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><span title="commonchemistry.cas.org"><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=71-30-7">71-30-7</a></span><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></sup></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">3D model (<a href="/wiki/JSmol" class="mw-redirect" title="JSmol">JSmol</a>)</div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="chemapps.stolaf.edu (3D interactive model)"><a rel="nofollow" class="external text" href="https://chemapps.stolaf.edu/jmol/jmol.php?model=O%3DC1Nccc%28N%29n1">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=16040">CHEBI:16040</a></span><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></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/ChEMBL15913">ChEMBL15913</a></span><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></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.577.html">577</a></span><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></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ECHA_InfoCard" class="mw-redirect" title="ECHA InfoCard"><span title="echa.europa.eu">ECHA InfoCard</span></a> </td> <td><a rel="nofollow" class="external text" href="https://echa.europa.eu/substance-information/-/substanceinfo/100.000.681">100.000.681</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q178425#P2566" 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> </td></tr> <tr> <td><a href="/wiki/KEGG" title="KEGG">KEGG</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.kegg.jp"><a rel="nofollow" class="external text" href="https://www.kegg.jp/entry/C00380">C00380</a></span><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></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=&term=Cytosine">Cytosine</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/597">597</a></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/8J337D1HZY">8J337D1HZY</a></span><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></sup></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/DTXSID4044456">DTXSID4044456</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q178425#P3117" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li></ul></div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/International_Chemical_Identifier" title="International Chemical Identifier">InChI</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1S/C4H5N3O/c5-3-1-2-6-4(8)7-3/h1-2H,(H3,5,6,7,8)<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></sup></div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: OPTASPLRGRRNAP-UHFFFAOYSA-N<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></sup></div></div></li><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=1/C4H5N3O/c5-3-1-2-6-4(8)7-3/h1-2H,(H3,5,6,7,8)</div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: OPTASPLRGRRNAP-UHFFFAOYAY</div></div></li></ul> </div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/Simplified_molecular-input_line-entry_system" class="mw-redirect" title="Simplified molecular-input line-entry system">SMILES</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.6em; word-wrap:break-word; text-indent:-1.5em; text-align:left; font-size:97%; line-height:120%;">O=C1Nccc(N)n1</div></li></ul> </div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Properties </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Chemical_formula" title="Chemical formula">Chemical formula</a></div> </td> <td>C<sub>4</sub>H<sub>5</sub>N<sub>3</sub>O  </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td>111.10 g/mol    </td></tr> <tr> <td><a href="/wiki/Density" title="Density">Density</a> </td> <td>1.55 g/cm<sup>3</sup> (calculated) </td></tr> <tr> <td><a href="/wiki/Melting_point" title="Melting point">Melting point</a> </td> <td>320 to 325 °C (608 to 617 °F; 593 to 598 K) (decomposes) </td></tr> <tr> <td><a href="/wiki/Acid_dissociation_constant" title="Acid dissociation constant">Acidity</a> (p<i>K</i><sub>a</sub>) </td> <td>4.45 (secondary), 12.2 (primary)<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Magnetic_susceptibility" title="Magnetic susceptibility">Magnetic susceptibility</a> (χ)</div> </td> <td>-55.8·10<sup>−6</sup> cm<sup>3</sup>/mol </td></tr> <tr> <td colspan="2" style="text-align:left; background:#f8eaba; border:1px solid #a2a9b1;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Except where otherwise noted, data are given for materials in their <a href="/wiki/Standard_state" title="Standard state">standard state</a> (at 25 °C [77 °F], 100 kPa).</div> <div style="margin-top: 0.3em;"><div style="text-align:center;"><span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/12px-Yes_check.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/18px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/24px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span> <span class="reflink plainlinks nourlexpansion"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:ComparePages&rev1=443557332&page2=Cytosine">verify</a></span> (<a href="/wiki/Wikipedia:WikiProject_Chemicals/Chembox_validation" title="Wikipedia:WikiProject Chemicals/Chembox validation">what is</a> <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> ?) </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>Cytosine</b> (<span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="/ˈ/: primary stress follows">ˈ</span><span title="'s' in 'sigh'">s</span><span title="/aɪ/: 'i' in 'tide'">aɪ</span><span title="'t' in 'tie'">t</span><span title="/ə/: 'a' in 'about'">ə</span><span title="/ˌ/: secondary stress follows">ˌ</span><span title="'s' in 'sigh'">s</span><span title="/iː/: 'ee' in 'fleece'">iː</span><span title="'n' in 'nigh'">n</span></span>,<span class="wrap"> </span>-<span style="border-bottom:1px dotted"><span title="/ˌ/: secondary stress follows">ˌ</span><span title="'z' in 'zoom'">z</span><span title="/iː/: 'ee' in 'fleece'">iː</span><span title="'n' in 'nigh'">n</span></span>,<span class="wrap"> </span>-<span style="border-bottom:1px dotted"><span title="/ˌ/: secondary stress follows">ˌ</span><span title="'s' in 'sigh'">s</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="'n' in 'nigh'">n</span></span>/</a></span></span><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>) (<a href="/wiki/Nucleoside#List_of_nucleosides_and_corresponding_nucleobases" title="Nucleoside">symbol</a> <b>C</b> or <b>Cyt</b>) is one of the four <a href="/wiki/Nucleotide_base" title="Nucleotide base">nucleotide bases</a> found in <a href="/wiki/DNA" title="DNA">DNA</a> and <a href="/wiki/RNA" title="RNA">RNA</a>, along with <a href="/wiki/Adenine" title="Adenine">adenine</a>, <a href="/wiki/Guanine" title="Guanine">guanine</a>, and <a href="/wiki/Thymine" title="Thymine">thymine</a> (<a href="/wiki/Uracil" title="Uracil">uracil</a> in RNA). It is a <a href="/wiki/Pyrimidine" title="Pyrimidine">pyrimidine</a> derivative, with a <a href="/wiki/Heterocyclic" class="mw-redirect" title="Heterocyclic">heterocyclic</a> <a href="/wiki/Aromatic_ring" class="mw-redirect" title="Aromatic ring">aromatic ring</a> and two substituents attached (an <a href="/wiki/Amine" title="Amine">amine</a> group at position 4 and a <a href="/wiki/Ketone" title="Ketone">keto</a> group at position 2). The <a href="/wiki/Nucleoside" title="Nucleoside">nucleoside</a> of cytosine is <a href="/wiki/Cytidine" title="Cytidine">cytidine</a>. In <a href="/wiki/Watson%E2%80%93Crick_base_pair" class="mw-redirect" title="Watson–Crick base pair">Watson–Crick base pairing</a>, it forms three <a href="/wiki/Hydrogen_bond" title="Hydrogen bond">hydrogen bonds</a> with <a href="/wiki/Guanine" title="Guanine">guanine</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cytosine&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Cytosine was discovered and named by <a href="/wiki/Albrecht_Kossel" title="Albrecht Kossel">Albrecht Kossel</a> and Albert Neumann in 1894 when it was hydrolyzed from calf <a href="/wiki/Thymus" title="Thymus">thymus</a> tissues.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> A structure was proposed in 1903, and was synthesized (and thus confirmed) in the laboratory in the same year. </p><p>In 1998, cytosine was used in an early demonstration of <a href="/wiki/Quantum_information_processing" class="mw-redirect" title="Quantum information processing">quantum information processing</a> when Oxford University researchers implemented the <a href="/wiki/Deutsch%E2%80%93Jozsa_algorithm" title="Deutsch–Jozsa algorithm">Deutsch–Jozsa algorithm</a> on a two <a href="/wiki/Qubit" title="Qubit">qubit</a> <a href="/wiki/Nuclear_magnetic_resonance_quantum_computer#Overview_of_Liquid_State_Nuclear_Magnetic_Resonance_Quantum_Information_Processing" title="Nuclear magnetic resonance quantum computer">nuclear magnetic resonance quantum computer (NMRQC)</a>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p><p>In March 2015, NASA scientists reported the formation of cytosine, along with uracil and thymine, from <a href="/wiki/Pyrimidine" title="Pyrimidine">pyrimidine</a> under the space-like laboratory conditions, which is of interest because pyrimidine has been found in meteorites although its origin is unknown.<sup id="cite_ref-NASA-20150303_7-0" class="reference"><a href="#cite_note-NASA-20150303-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Chemical_reactions">Chemical reactions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cytosine&action=edit&section=2" title="Edit section: Chemical reactions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style 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.tsingle{float:none!important;max-width:100%!important;box-sizing:border-box;text-align:center}.mw-parser-output .tmulti .tsingle .thumbcaption{text-align:left}.mw-parser-output .tmulti .trow>.thumbcaption{text-align:center}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .tmulti .multiimageinner img{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .tmulti .multiimageinner img{background-color:white}}</style><div class="thumb tmulti tleft"><div class="thumbinner multiimageinner" style="width:352px;max-width:352px"><div class="trow"><div class="tsingle" style="width:138px;max-width:138px"><div class="thumbimage" style="height:163px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/File:Cytonum2.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/09/Cytonum2.svg/136px-Cytonum2.svg.png" decoding="async" width="136" height="163" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/09/Cytonum2.svg/204px-Cytonum2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/09/Cytonum2.svg/272px-Cytonum2.svg.png 2x" data-file-width="250" data-file-height="300" /></a></span></div><div class="thumbcaption">Cytosine</div></div><div class="tsingle" style="width:210px;max-width:210px"><div class="thumbimage" style="height:163px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/File:Guannum2.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Guannum2.svg/208px-Guannum2.svg.png" decoding="async" width="208" height="163" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Guannum2.svg/312px-Guannum2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Guannum2.svg/416px-Guannum2.svg.png 2x" data-file-width="352" data-file-height="276" /></a></span></div><div class="thumbcaption"><a href="/wiki/Guanine" title="Guanine">Guanine</a></div></div></div><div class="trow" style="display:flex"><div class="thumbcaption">Cytosine and guanine with the direction of hydrogen bonding indicated (arrow points positive to negative charge).<br /><a href="/wiki/Methylation" title="Methylation">Methylation</a> of cytosine occurs on carbon number 5.</div></div></div></div> <p>Cytosine can be found as part of DNA, as part of RNA, or as a part of a <a href="/wiki/Nucleotide" title="Nucleotide">nucleotide</a>. As <a href="/wiki/Cytidine_triphosphate" title="Cytidine triphosphate">cytidine triphosphate</a> (CTP), it can act as a co-factor to enzymes, and can transfer a phosphate to convert <a href="/wiki/Adenosine_diphosphate" title="Adenosine diphosphate">adenosine diphosphate</a> (ADP) to <a href="/wiki/Adenosine_triphosphate" title="Adenosine triphosphate">adenosine triphosphate</a> (ATP). </p><p>In DNA and RNA, cytosine is paired with <a href="/wiki/Guanine" title="Guanine">guanine</a>. However, it is inherently unstable, and can change into <a href="/wiki/Uracil" title="Uracil">uracil</a> (<a href="/wiki/Deamination" title="Deamination">spontaneous deamination</a>). This can lead to a <a href="/wiki/Point_mutation" title="Point mutation">point mutation</a> if not repaired by the <a href="/wiki/DNA_repair" title="DNA repair">DNA repair</a> <a href="/wiki/Enzyme" title="Enzyme">enzymes</a> such as uracil glycosylase, which cleaves a uracil in DNA. </p><p>Cytosine can also be <a href="/wiki/Methylation" title="Methylation">methylated</a> into <a href="/wiki/5-Methylcytosine" title="5-Methylcytosine">5-methylcytosine</a> by an enzyme called <a href="/wiki/DNA_methyltransferase" title="DNA methyltransferase">DNA methyltransferase</a> or be methylated and <a href="/wiki/Hydroxylation" title="Hydroxylation">hydroxylated</a> to make <a href="/wiki/5-Hydroxymethylcytosine" title="5-Hydroxymethylcytosine">5-hydroxymethylcytosine</a>. The difference in rates of deamination of cytosine and 5-methylcytosine (to uracil and <a href="/wiki/Thymine" title="Thymine">thymine</a>) forms the basis of <a href="/wiki/Bisulfite_sequencing" title="Bisulfite sequencing">bisulfite sequencing</a>.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <div style="clear:both;" class=""></div> <div class="mw-heading mw-heading2"><h2 id="Biological_function">Biological function</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cytosine&action=edit&section=3" title="Edit section: Biological function"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>When found third in a <a href="/wiki/Codon" class="mw-redirect" title="Codon">codon</a> of <a href="/wiki/RNA" title="RNA">RNA</a>, cytosine is synonymous with <a href="/wiki/Uracil" title="Uracil">uracil</a>, as they are interchangeable as the third base. When found as the second base in a codon, the third is always interchangeable. For example, UCU, UCC, UCA and UCG are all <a href="/wiki/Serine" title="Serine">serine</a>, regardless of the third base. </p><p>Active enzymatic deamination of cytosine or 5-methylcytosine by the <a href="/wiki/APOBEC" title="APOBEC">APOBEC</a> family of cytosine deaminases could have both beneficial and detrimental implications on various cellular processes as well as on organismal evolution.<sup id="cite_ref-Chahwan_9-0" class="reference"><a href="#cite_note-Chahwan-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> The implications of deamination on 5-hydroxymethylcytosine, on the other hand, remains less understood. </p> <div class="mw-heading mw-heading2"><h2 id="Theoretical_aspects">Theoretical aspects</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cytosine&action=edit&section=4" title="Edit section: Theoretical aspects"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Until October 2021, Cytosine had not been found in meteorites, which suggested the first strands of RNA and DNA had to look elsewhere to obtain this building block. Cytosine likely formed within some meteorite parent bodies, however did not persist within these bodies due to an effective <a href="/wiki/Deamination" title="Deamination">deamination</a> reaction into <a href="/wiki/Uracil" title="Uracil">uracil</a>.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>In October 2021, Cytosine was announced as having been found in meteorites by researchers in a joint Japan/NASA project, that used novel methods of detection which avoided damaging nucleotides as they were extracted from meteorites.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <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=Cytosine&action=edit&section=5" 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-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFDawson,_R.M.C.1959" class="citation book cs1">Dawson, R.M.C.; et al. (1959). <i>Data for Biochemical Research</i>. Oxford: Clarendon Press.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Data+for+Biochemical+Research&rft.place=Oxford&rft.pub=Clarendon+Press&rft.date=1959&rft.au=Dawson%2C+R.M.C.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACytosine" 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 class="citation encyclopaedia cs1"><a rel="nofollow" class="external text" href="https://www.dictionary.com/browse/Cytosine">"Cytosine"</a>. <i><a href="/wiki/Dictionary.com" title="Dictionary.com">Dictionary.com Unabridged</a></i> (Online). n.d.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Cytosine&rft.btitle=Dictionary.com+Unabridged&rft_id=https%3A%2F%2Fwww.dictionary.com%2Fbrowse%2FCytosine&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACytosine" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.merriam-webster.com/dictionary/Cytosine">"Cytosine"</a>. <i><a href="/wiki/Merriam-Webster" title="Merriam-Webster">Merriam-Webster.com Dictionary</a></i>. Merriam-Webster.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Merriam-Webster.com+Dictionary&rft.atitle=Cytosine&rft_id=https%3A%2F%2Fwww.merriam-webster.com%2Fdictionary%2FCytosine&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACytosine" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text">A. Kossel and Albert Neumann (1894) <a rel="nofollow" class="external text" href="http://gallica.bnf.fr/ark:/12148/bpt6k90735d/f437.image.langEN">"Darstellung und Spaltungsprodukte der Nucleïnsäure (Adenylsäure)"</a> (Preparation and cleavage products of nucleic acids (adenic acid)), <i>Berichte der Deutschen Chemischen Gesellschaft zu Berlin</i>, <b>27</b> : 2215–2222. The name "cytosine" is coined on page 2219: <i>" … ein Produkt von basischen Eigenschaften, für welches wir den Namen "Cytosin" vorschlagen."</i> ( … a product with basic properties, for which we suggest the name "cytosine".)</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKossel,_A.Steudel,_H._Z.1903" class="citation journal cs1">Kossel, A.; Steudel, H. Z. (1903). <a rel="nofollow" class="external text" href="https://zenodo.org/record/1448762">"Weitere Untersuchungen über das Cytosin"</a>. <i>Physiol. Chem</i>. <b>38</b> (1–2): 49–59. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1515%2Fbchm2.1903.38.1-2.49">10.1515/bchm2.1903.38.1-2.49</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physiol.+Chem.&rft.atitle=Weitere+Untersuchungen+%C3%BCber+das+Cytosin&rft.volume=38&rft.issue=1%E2%80%932&rft.pages=49-59&rft.date=1903&rft_id=info%3Adoi%2F10.1515%2Fbchm2.1903.38.1-2.49&rft.au=Kossel%2C+A.&rft.au=Steudel%2C+H.+Z.&rft_id=https%3A%2F%2Fzenodo.org%2Frecord%2F1448762&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACytosine" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJonesM._Mosca1998" class="citation journal cs1">Jones, J.A.; M. Mosca (1998-08-01). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080612133706/http://www.citebase.org/abstract?id=oai%3AarXiv.org%3Aquant-ph%2F9801027">"Implementation of a quantum algorithm on a nuclear magnetic resonance quantum computer"</a>. <i>J. Chem. Phys</i>. <b>109</b> (5): 1648–1653. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/quant-ph/9801027">quant-ph/9801027</a></span>. <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/1998JChPh.109.1648J">1998JChPh.109.1648J</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1063%2F1.476739">10.1063/1.476739</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:19348964">19348964</a>. Archived from <a rel="nofollow" class="external text" href="http://www.citebase.org/abstract?id=oai%3AarXiv.org%3Aquant-ph%2F9801027">the original</a> on 2008-06-12<span class="reference-accessdate">. Retrieved <span class="nowrap">2007-10-18</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Chem.+Phys.&rft.atitle=Implementation+of+a+quantum+algorithm+on+a+nuclear+magnetic+resonance+quantum+computer&rft.volume=109&rft.issue=5&rft.pages=1648-1653&rft.date=1998-08-01&rft_id=info%3Aarxiv%2Fquant-ph%2F9801027&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A19348964%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1063%2F1.476739&rft_id=info%3Abibcode%2F1998JChPh.109.1648J&rft.aulast=Jones&rft.aufirst=J.A.&rft.au=M.+Mosca&rft_id=http%3A%2F%2Fwww.citebase.org%2Fabstract%3Fid%3Doai%253AarXiv.org%253Aquant-ph%252F9801027&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACytosine" class="Z3988"></span></span> </li> <li id="cite_note-NASA-20150303-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-NASA-20150303_7-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMarlaire2015" class="citation web cs1">Marlaire, Ruth (3 March 2015). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20150305083306/http://www.nasa.gov/content/nasa-ames-reproduces-the-building-blocks-of-life-in-laboratory/">"NASA Ames Reproduces the Building Blocks of Life in Laboratory"</a>. <i><a href="/wiki/NASA" title="NASA">NASA</a></i>. 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"Crosstalk between genetic and epigenetic information through cytosine deamination". <i>Trends in Genetics</i>. <b>26</b> (10): 443–448. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.tig.2010.07.005">10.1016/j.tig.2010.07.005</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/20800313">20800313</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Trends+in+Genetics&rft.atitle=Crosstalk+between+genetic+and+epigenetic+information+through+cytosine+deamination&rft.volume=26&rft.issue=10&rft.pages=443-448&rft.date=2010&rft_id=info%3Adoi%2F10.1016%2Fj.tig.2010.07.005&rft_id=info%3Apmid%2F20800313&rft.au=Chahwan+R.&rft.au=Wontakal+S.N.&rft.au=Roa+S.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACytosine" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTasker" class="citation news cs1">Tasker, Elizabeth. <a rel="nofollow" class="external text" href="https://blogs.scientificamerican.com/guest-blog/did-the-seeds-of-life-come-from-space/">"Did the Seeds of Life Come from Space?"</a>. <i>Scientific American Blog Network</i><span class="reference-accessdate">. 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Retrieved <span class="nowrap">7 July</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=The+Journal+of+Nature+Communications&rft.atitle=Identifying+the+wide+diversity+of+extraterrestrial+purine+and+pyrimidine+nucleobases+in+carbonaceous+meteorites&rft.au=Yasuhiro+Oba&rft.au=Yoshinori+Takano&rft.au=Yoshihiro+Furukawa&rft.au=Toshiki+Koga&rft.au=Daniel+P.+Glavin&rft.au=Jason+P.+Dworkin&rft.au=Hiroshi+Naraoka&rft_id=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41467-022-29612-x%23article-info&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACytosine" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="External_links_and_citations">External links and citations</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cytosine&action=edit&section=6" title="Edit section: External links and citations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Cytosine" class="extiw" title="commons:Category:Cytosine">Cytosine</a></span>.</div></div> </div> <ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20190416021636/http://gmd.mpimp-golm.mpg.de/Spectrums/04ef65b4-ae00-4bbf-b115-64d1aa7e0fcd.aspx">Cytosine MS Spectrum</a></li> <li><a href="/wiki/EINECS_number" class="mw-redirect" title="EINECS number">EINECS number</a> <a rel="nofollow" class="external text" href="http://ecb.jrc.it/esis-pgm/esis_reponse.php?LANG=en&FROM=LISTE_EINECS&ENTREE=200-749-5">200-749-5</a></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFShapiro_R1999" class="citation journal cs1">Shapiro R (1999). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC16343">"Prebiotic cytosine synthesis: a critical analysis and implications for the origin of life"</a>. <i>Proc. Natl. Acad. Sci. U.S.A</i>. <b>96</b> (8): 4396–401. <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/1999PNAS...96.4396S">1999PNAS...96.4396S</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/10.1073%2Fpnas.96.8.4396">10.1073/pnas.96.8.4396</a></span>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC16343">16343</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/10200273">10200273</a>.</cite><span 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style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Purine" title="Purine">Purine</a> <ul><li><a href="/wiki/Adenine" title="Adenine">Adenine</a></li> <li><a href="/wiki/Guanine" title="Guanine">Guanine</a></li> <li><a href="/wiki/Hypoxanthine" title="Hypoxanthine">Hypoxanthine</a></li> <li><a href="/wiki/Xanthine" title="Xanthine">Xanthine</a></li> <li><a href="/wiki/Purine_analogue" title="Purine analogue">Purine analogue</a></li></ul></li> <li><a href="/wiki/Pyrimidine" title="Pyrimidine">Pyrimidine</a> <ul><li><a href="/wiki/Uracil" title="Uracil">Uracil</a></li> <li><a href="/wiki/Thymine" title="Thymine">Thymine</a></li> <li><a class="mw-selflink selflink">Cytosine</a></li> <li><a href="/wiki/Pyrimidine_analogue" title="Pyrimidine analogue">Pyrimidine analogue</a></li></ul></li> <li><a href="/wiki/Base_pair#Unnatural_base_pair_(UBP)" title="Base pair">Unnatural base pair (UBP)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Nucleoside" title="Nucleoside">Nucleoside</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/Ribonucleoside" title="Ribonucleoside">Ribonucleoside</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/Adenosine" title="Adenosine">Adenosine</a></li> <li><a href="/wiki/Guanosine" title="Guanosine">Guanosine</a></li> <li><a href="/wiki/5-Methyluridine" title="5-Methyluridine">5-Methyluridine</a></li> <li><a href="/wiki/Uridine" title="Uridine">Uridine</a></li> <li><a href="/wiki/5-Methylcytidine" title="5-Methylcytidine">5-Methylcytidine</a></li> <li><a href="/wiki/Cytidine" title="Cytidine">Cytidine</a></li> <li><a href="/wiki/Pseudouridine" title="Pseudouridine">Pseudouridine</a></li> <li><a href="/wiki/Inosine" title="Inosine">Inosine</a></li> <li><a href="/wiki/N6-Methyladenosine" title="N6-Methyladenosine"><i>N</i><sup>6</sup>-Methyladenosine</a></li> <li><a href="/wiki/Xanthosine" title="Xanthosine">Xanthosine</a></li> <li><a href="/wiki/Wybutosine" title="Wybutosine">Wybutosine</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Deoxyribonucleoside" class="mw-redirect" title="Deoxyribonucleoside">Deoxyribonucleoside</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/Deoxyadenosine" title="Deoxyadenosine">Deoxyadenosine</a></li> <li><a href="/wiki/Deoxyguanosine" title="Deoxyguanosine">Deoxyguanosine</a></li> <li><a href="/wiki/Thymidine" title="Thymidine">Thymidine</a></li> <li><a href="/wiki/Deoxyuridine" title="Deoxyuridine">Deoxyuridine</a></li> <li><a href="/wiki/Deoxycytidine" title="Deoxycytidine">Deoxycytidine</a></li> <li><a href="/w/index.php?title=Deoxyinosine&action=edit&redlink=1" class="new" title="Deoxyinosine (page does not exist)">Deoxyinosine</a></li> <li><a href="/w/index.php?title=Deoxyxanthosine&action=edit&redlink=1" class="new" title="Deoxyxanthosine (page does not exist)">Deoxyxanthosine</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/Nucleotide" title="Nucleotide">Nucleotide</a><br />(Nucleoside monophosphate)</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/Ribonucleotide" title="Ribonucleotide">Ribonucleotide</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/Adenosine_monophosphate" title="Adenosine monophosphate">AMP</a></li> <li><a href="/wiki/Guanosine_monophosphate" title="Guanosine monophosphate">GMP</a></li> <li><a href="/w/index.php?title=5-Methyluridine_monophosphate&action=edit&redlink=1" class="new" title="5-Methyluridine monophosphate (page does not exist)">m<sup>5</sup>UMP</a></li> <li><a href="/wiki/Uridine_monophosphate" title="Uridine monophosphate">UMP</a></li> <li><a href="/wiki/Cytidine_monophosphate" title="Cytidine monophosphate">CMP</a></li> <li><a href="/wiki/Inosinic_acid" title="Inosinic acid">IMP</a></li> <li><a href="/wiki/Xanthosine_monophosphate" title="Xanthosine monophosphate">XMP</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Deoxyribonucleotide" title="Deoxyribonucleotide">Deoxyribonucleotide</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/Deoxyadenosine_monophosphate" title="Deoxyadenosine monophosphate">dAMP</a></li> <li><a href="/wiki/Deoxyguanosine_monophosphate" title="Deoxyguanosine monophosphate">dGMP</a></li> <li><a href="/wiki/Thymidine_monophosphate" title="Thymidine monophosphate">dTMP</a></li> <li><a href="/wiki/Deoxyuridine_monophosphate" title="Deoxyuridine monophosphate">dUMP</a></li> <li><a href="/wiki/Deoxycytidine_monophosphate" title="Deoxycytidine monophosphate">dCMP</a></li> <li><a href="/wiki/Deoxyinosine_monophosphate" title="Deoxyinosine monophosphate">dIMP</a></li> <li><a href="/w/index.php?title=Deoxyxanthosine_monophosphate&action=edit&redlink=1" class="new" title="Deoxyxanthosine monophosphate (page does not exist)">dXMP</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cyclic_nucleotide" title="Cyclic nucleotide">Cyclic nucleotide</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/Cyclic_adenosine_monophosphate" title="Cyclic adenosine monophosphate">cAMP</a></li> <li><a href="/wiki/Cyclic_guanosine_monophosphate" title="Cyclic guanosine monophosphate">cGMP</a></li> <li><a href="/wiki/Cyclic_di-GMP" title="Cyclic di-GMP">c-di-GMP</a></li> <li><a href="/wiki/Cyclic_di-AMP" title="Cyclic di-AMP">c-di-AMP</a></li> <li><a href="/wiki/Cyclic_ADP-ribose" title="Cyclic ADP-ribose">cADPR</a></li> <li><a href="/wiki/Cyclic_guanosine_monophosphate%E2%80%93adenosine_monophosphate" title="Cyclic guanosine monophosphate–adenosine monophosphate">cGAMP</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Nucleoside diphosphate</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><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adenosine_diphosphate" title="Adenosine diphosphate">ADP</a></li> <li><a href="/wiki/Guanosine_diphosphate" title="Guanosine diphosphate">GDP</a></li> <li><a href="/w/index.php?title=5-Methyluridine_diphosphate&action=edit&redlink=1" class="new" title="5-Methyluridine diphosphate (page does not exist)">m<sup>5</sup>UDP</a></li> <li><a href="/wiki/Uridine_diphosphate" title="Uridine diphosphate">UDP</a></li> <li><a href="/wiki/Cytidine_diphosphate" title="Cytidine diphosphate">CDP</a></li> <li><a href="/w/index.php?title=Xanthosine_diphosphate&action=edit&redlink=1" class="new" title="Xanthosine diphosphate (page does not exist)">Xanthosine diphosphate</a></li></ul> </div></td></tr><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Deoxyadenosine_diphosphate" title="Deoxyadenosine diphosphate">dADP</a></li> <li><a href="/wiki/Deoxyguanosine_diphosphate" title="Deoxyguanosine diphosphate">dGDP</a></li> <li><a href="/wiki/Thymidine_diphosphate" title="Thymidine diphosphate">dTDP</a></li> <li><a href="/w/index.php?title=Deoxyuridine_diphosphate&action=edit&redlink=1" class="new" title="Deoxyuridine diphosphate (page does not exist)">dUDP</a></li> <li><a href="/wiki/Deoxycytidine_diphosphate" title="Deoxycytidine diphosphate">dCDP</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/Nucleoside_triphosphate" title="Nucleoside triphosphate">Nucleoside triphosphate</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><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adenosine_triphosphate" title="Adenosine triphosphate">ATP</a></li> <li><a href="/wiki/Guanosine_triphosphate" title="Guanosine triphosphate">GTP</a></li> <li><a href="/wiki/5-Methyluridine_triphosphate" title="5-Methyluridine triphosphate">m<sup>5</sup>UTP</a></li> <li><a href="/wiki/Uridine_triphosphate" title="Uridine triphosphate">UTP</a></li> <li><a href="/wiki/Cytidine_triphosphate" title="Cytidine triphosphate">CTP</a></li> <li><a href="/wiki/Inosine_triphosphate" title="Inosine triphosphate">ITP</a></li> <li><a href="/wiki/Xanthosine_triphosphate" title="Xanthosine triphosphate">XTP</a></li></ul> </div></td></tr><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Deoxyadenosine_triphosphate" title="Deoxyadenosine triphosphate">dATP</a></li> <li><a href="/wiki/Deoxyguanosine_triphosphate" title="Deoxyguanosine triphosphate">dGTP</a></li> <li><a href="/wiki/Thymidine_triphosphate" title="Thymidine triphosphate">dTTP</a></li> <li><a href="/w/index.php?title=Deoxyuridine_triphosphate&action=edit&redlink=1" class="new" title="Deoxyuridine triphosphate (page does not exist)">dUTP</a></li> <li><a href="/wiki/Deoxycytidine_triphosphate" title="Deoxycytidine triphosphate">dCTP</a></li> <li><a href="/w/index.php?title=Deoxyinosine_triphosphate&action=edit&redlink=1" class="new" title="Deoxyinosine triphosphate (page does not exist)">dITP</a></li> <li><a href="/w/index.php?title=Deoxyxanthosine_triphosphate&action=edit&redlink=1" class="new" title="Deoxyxanthosine triphosphate (page does not exist)">dXTP</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="Purine_receptor_modulators" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Purine_receptor_modulators" title="Template:Purine receptor modulators"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Purine_receptor_modulators" title="Template talk:Purine receptor modulators"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Purine_receptor_modulators" title="Special:EditPage/Template:Purine receptor modulators"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Purine_receptor_modulators" style="font-size:114%;margin:0 4em"><a href="/wiki/Purine_receptor" class="mw-redirect" title="Purine receptor">Purine 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/Receptor_(biochemistry)" title="Receptor (biochemistry)">Receptor</a><br /><small>(<a href="/wiki/Ligand_(biochemistry)" title="Ligand (biochemistry)">ligands</a>)</small></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:6em;;text-align:center;"><a href="/wiki/P0_receptor" class="mw-redirect" title="P0 receptor">P0</a> (<a href="/wiki/Adenine" title="Adenine">adenine</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><b>Agonists:</b> <a href="/w/index.php?title=8-Aminoadenine&action=edit&redlink=1" class="new" title="8-Aminoadenine (page does not exist)">8-Aminoadenine</a></li> <li><a href="/wiki/Adenine" title="Adenine">Adenine</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;;text-align:center;"><a href="/wiki/Adenosine_receptor" title="Adenosine receptor">P1</a><br />(<a href="/wiki/Adenosine" title="Adenosine">adenosine</a>)</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><b>Agonists:</b> <a href="/w/index.php?title=2-(1-Hexynyl)-N-methyladenosine&action=edit&redlink=1" class="new" title="2-(1-Hexynyl)-N-methyladenosine (page does not exist)">2-(1-Hexynyl)-<i>N</i>-methyladenosine</a></li> <li><a href="/w/index.php?title=2-Cl-IB-MECA&action=edit&redlink=1" class="new" title="2-Cl-IB-MECA (page does not exist)">2-Cl-IB-MECA</a></li> <li><a href="/w/index.php?title=2-Chloroadenosine&action=edit&redlink=1" class="new" title="2-Chloroadenosine (page does not exist)">2-Chloroadenosine</a></li> <li><a href="/w/index.php?title=2%27-MeCCPA&action=edit&redlink=1" class="new" title="2'-MeCCPA (page does not exist)">2'-MeCCPA</a></li> <li><a href="/w/index.php?title=4%27-O-%CE%B2-D-Glucosyl-9-O-(6%27-deoxysaccharosyl)olivil&action=edit&redlink=1" class="new" title="4'-O-β-D-Glucosyl-9-O-(6'-deoxysaccharosyl)olivil (page does not exist)">4'-O-β-D-Glucosyl-9-O-(6''-deoxysaccharosyl)olivil</a></li> <li><a href="/w/index.php?title=5%27-N-ethylcarboxamidoadenosine&action=edit&redlink=1" class="new" title="5'-N-ethylcarboxamidoadenosine (page does not exist)">5'-<i>N</i>-ethylcarboxamidoadenosine</a></li> <li><a href="/wiki/Adenosine" title="Adenosine">Adenosine</a></li> <li><a href="/wiki/Adenosine_diphosphate" title="Adenosine diphosphate">ADP</a></li> <li><a href="/wiki/Adenosine_monophosphate" title="Adenosine monophosphate">AMP</a></li> <li><a href="/w/index.php?title=Apadenoson&action=edit&redlink=1" class="new" title="Apadenoson (page does not exist)">Apadenoson</a></li> <li><a href="/wiki/ATL-146e" class="mw-redirect" title="ATL-146e">ATL-146e</a></li> <li><a href="/wiki/Adenosine_triphosphate" title="Adenosine triphosphate">ATP</a></li> <li><a href="/wiki/BAY_60%E2%80%936583" title="BAY 60–6583">BAY 60–6583</a></li> <li><a href="/w/index.php?title=Binodenoson&action=edit&redlink=1" class="new" title="Binodenoson (page does not exist)">Binodenoson</a></li> <li><a href="/w/index.php?title=Capadenoson&action=edit&redlink=1" class="new" title="Capadenoson (page does not exist)">Capadenoson</a></li> <li><a href="/wiki/CCPA_(biochemistry)" title="CCPA (biochemistry)">CCPA</a></li> <li><a href="/wiki/CGS-21680" title="CGS-21680">CGS-21680</a></li> <li><a href="/wiki/CP-532,903" title="CP-532,903">CP-532,903</a></li> <li><a href="/w/index.php?title=CV-1808&action=edit&redlink=1" class="new" title="CV-1808 (page does not exist)">CV-1808</a></li> <li><a href="/w/index.php?title=Evodenoson&action=edit&redlink=1" class="new" title="Evodenoson (page does not exist)">Evodenoson</a></li> <li><a href="/w/index.php?title=GR_79236&action=edit&redlink=1" class="new" title="GR 79236 (page does not exist)">GR 79236</a></li> <li><a href="/w/index.php?title=HENECA&action=edit&redlink=1" class="new" title="HENECA (page does not exist)">HENECA</a></li> <li><a href="/w/index.php?title=LUF-5835&action=edit&redlink=1" class="new" title="LUF-5835 (page does not exist)">LUF-5835</a></li> <li><a href="/w/index.php?title=LUF-5845&action=edit&redlink=1" class="new" title="LUF-5845 (page does not exist)">LUF-5845</a></li> <li><a href="/wiki/N6-Cyclopentyladenosine" title="N6-Cyclopentyladenosine"><i>N</i><sup>6</sup>-Cyclopentyladenosine</a></li> <li><a href="/wiki/Namodenoson" title="Namodenoson">Namodenoson</a></li> <li><a href="/w/index.php?title=NECA_(drug)&action=edit&redlink=1" class="new" title="NECA (drug) (page does not exist)">NECA</a></li> <li><a href="/w/index.php?title=Neladenoson_dalanate&action=edit&redlink=1" class="new" title="Neladenoson dalanate (page does not exist)">Neladenoson dalanate</a></li> <li><a href="/w/index.php?title=Piclidenoson&action=edit&redlink=1" class="new" title="Piclidenoson (page does not exist)">Piclidenoson</a></li> <li><a href="/wiki/Regadenoson" title="Regadenoson">Regadenoson</a></li> <li><a href="/w/index.php?title=SDZ_WAG_994&action=edit&redlink=1" class="new" title="SDZ WAG 994 (page does not exist)">SDZ WAG 994</a></li> <li><a href="/w/index.php?title=Selodenoson&action=edit&redlink=1" class="new" title="Selodenoson (page does not exist)">Selodenoson</a></li> <li><a href="/w/index.php?title=Sonedenoson&action=edit&redlink=1" class="new" title="Sonedenoson (page does not exist)">Sonedenoson</a></li> <li><a href="/w/index.php?title=Tecadenoson&action=edit&redlink=1" class="new" title="Tecadenoson (page does not exist)">Tecadenoson</a></li> <li><a href="/w/index.php?title=Trabodenoson&action=edit&redlink=1" class="new" title="Trabodenoson (page does not exist)">Trabodenoson</a></li> <li><a href="/wiki/UK-432,097" title="UK-432,097">UK-432,097</a></li></ul> <ul><li><b>Antagonists:</b> <a href="/wiki/3-Chlorostyrylcaffeine" title="3-Chlorostyrylcaffeine">3-Chlorostyrylcaffeine (CSC)</a></li> <li><a href="/wiki/7-Methylxanthine" title="7-Methylxanthine">7-Methylxanthine</a></li> <li><a href="/wiki/8-Chlorotheophylline" title="8-Chlorotheophylline">8-Chlorotheophylline</a></li> <li><a href="/w/index.php?title=8-Phenyl-1,3-dipropylxanthine&action=edit&redlink=1" class="new" title="8-Phenyl-1,3-dipropylxanthine (page does not exist)">8-Phenyl-1,3-dipropylxanthine</a></li> <li><a href="/wiki/8-Phenyltheophylline" title="8-Phenyltheophylline">8-Phenyltheophylline</a></li> <li><a href="/wiki/Acefylline" title="Acefylline">Acefylline</a></li> <li><a href="/wiki/Aminophylline" title="Aminophylline">Aminophylline</a></li> <li><a href="/wiki/ATL-444" title="ATL-444">ATL-444</a></li> <li><a href="/w/index.php?title=AZD-4635&action=edit&redlink=1" class="new" title="AZD-4635 (page does not exist)">AZD-4635</a></li> <li><a href="/wiki/Bamifylline" title="Bamifylline">Bamifylline</a></li> <li><a href="/wiki/Cafedrine" title="Cafedrine">Cafedrine</a></li> <li><a href="/wiki/Caffeine" title="Caffeine">Caffeine</a></li> <li><a href="/wiki/Caffeine_citrate" title="Caffeine citrate">Caffeine citrate</a></li> <li><a href="/wiki/Cartazolate" title="Cartazolate">Cartazolate</a></li> <li><a href="/w/index.php?title=CGH-2466&action=edit&redlink=1" class="new" title="CGH-2466 (page does not exist)">CGH-2466</a></li> <li><a href="/wiki/CGS-15943" title="CGS-15943">CGS-15943</a></li> <li><a href="/wiki/Choline_theophyllinate" title="Choline theophyllinate">Choline theophyllinate</a></li> <li><a href="/w/index.php?title=Ciforadenant&action=edit&redlink=1" class="new" title="Ciforadenant (page does not exist)">Ciforadenant</a></li> <li><a href="/wiki/8-Cyclopentyl-1,3-dimethylxanthine" title="8-Cyclopentyl-1,3-dimethylxanthine">CPX</a></li> <li><a href="/w/index.php?title=CVT-6883&action=edit&redlink=1" class="new" title="CVT-6883 (page does not exist)">CVT-6883</a></li> <li><a href="/wiki/Dimethazan" title="Dimethazan">Dimethazan</a></li> <li><a href="/wiki/DMPX" title="DMPX">DMPX</a></li> <li><a href="/wiki/8-Cyclopentyl-1,3-dipropylxanthine" class="mw-redirect" title="8-Cyclopentyl-1,3-dipropylxanthine">DPCPX</a></li> <li><a href="/wiki/Dyphylline" class="mw-redirect" title="Dyphylline">Dyphylline</a></li> <li><a href="/wiki/Enprofylline" title="Enprofylline">Enprofylline</a></li> <li><a href="/wiki/Etazolate" title="Etazolate">Etazolate</a></li> <li><a href="/w/index.php?title=Etrumadenant&action=edit&redlink=1" class="new" title="Etrumadenant (page does not exist)">Etrumadenant</a></li> <li><a href="/wiki/Fenethylline" title="Fenethylline">Fenethylline</a></li> <li><a href="/wiki/IBMX" title="IBMX">IBMX</a></li> <li><a href="/w/index.php?title=Imaradenant&action=edit&redlink=1" class="new" title="Imaradenant (page does not exist)">Imaradenant</a></li> <li><a href="/w/index.php?title=Inupadenant&action=edit&redlink=1" class="new" title="Inupadenant (page does not exist)">Inupadenant</a></li> <li><a href="/wiki/ISAM-140" title="ISAM-140">ISAM-140</a></li> <li><a href="/w/index.php?title=ISAM-R316&action=edit&redlink=1" class="new" title="ISAM-R316 (page does not exist)">ISAM-R316</a></li> <li><a href="/wiki/Isovaleric_acid" title="Isovaleric acid">Isovaleric acid</a></li> <li><a href="/wiki/Istradefylline" title="Istradefylline">Istradefylline</a></li> <li><a href="/wiki/KF-26777" title="KF-26777">KF-26777</a></li> <li><a href="/wiki/Lu_AA41063" title="Lu AA41063">Lu AA41063</a></li> <li><a href="/wiki/Lu_AA47070" title="Lu AA47070">Lu AA47070</a></li> <li><a href="/wiki/MRE3008F20" class="mw-redirect" title="MRE3008F20">MRE3008F20</a></li> <li><a href="/wiki/MRS-1191" class="mw-redirect" title="MRS-1191">MRS-1191</a></li> <li><a href="/w/index.php?title=MRS-1220&action=edit&redlink=1" class="new" title="MRS-1220 (page does not exist)">MRS-1220</a></li> <li><a href="/w/index.php?title=MRS-1334&action=edit&redlink=1" class="new" title="MRS-1334 (page does not exist)">MRS-1334</a></li> <li><a href="/wiki/MRS-1523" class="mw-redirect" title="MRS-1523">MRS-1523</a></li> <li><a href="/wiki/MRS-1706" title="MRS-1706">MRS-1706</a></li> <li><a href="/w/index.php?title=MRS-1754&action=edit&redlink=1" class="new" title="MRS-1754 (page does not exist)">MRS-1754</a></li> <li><a href="/w/index.php?title=MRS-3777&action=edit&redlink=1" class="new" title="MRS-3777 (page does not exist)">MRS-3777</a></li> <li><a href="/wiki/MSX-2" title="MSX-2">MSX-2</a></li> <li><a href="/wiki/MSX-3" title="MSX-3">MSX-3</a></li> <li><a href="/wiki/MSX-4" title="MSX-4">MSX-4</a></li> <li><a href="/w/index.php?title=Muvadenant&action=edit&redlink=1" class="new" title="Muvadenant (page does not exist)">Muvadenant</a></li> <li><a href="/wiki/Paraxanthine" title="Paraxanthine">Paraxanthine</a></li> <li><a href="/wiki/Pentoxifylline" title="Pentoxifylline">Pentoxifylline</a></li> <li><a href="/wiki/Preladenant" title="Preladenant">Preladenant</a></li> <li><a href="/wiki/Propentofylline" title="Propentofylline">Propentofylline</a></li> <li><a href="/wiki/Proxyphylline" title="Proxyphylline">Proxyphylline</a></li> <li><a href="/wiki/PSB-10" title="PSB-10">PSB-10</a></li> <li><a href="/w/index.php?title=PSB-11&action=edit&redlink=1" class="new" title="PSB-11 (page does not exist)">PSB-11</a></li> <li><a href="/w/index.php?title=PSB-36&action=edit&redlink=1" class="new" title="PSB-36 (page does not exist)">PSB-36</a></li> <li><a href="/w/index.php?title=PSB-603&action=edit&redlink=1" class="new" title="PSB-603 (page does not exist)">PSB-603</a></li> <li><a href="/w/index.php?title=PSB-788&action=edit&redlink=1" class="new" title="PSB-788 (page does not exist)">PSB-788</a></li> <li><a href="/w/index.php?title=PSB-1115&action=edit&redlink=1" class="new" title="PSB-1115 (page does not exist)">PSB-1115</a></li> <li><a href="/w/index.php?title=PSB-1901&action=edit&redlink=1" class="new" title="PSB-1901 (page does not exist)">PSB-1901</a></li> <li><a href="/wiki/Reversine" title="Reversine">Reversine</a></li> <li><a href="/wiki/Rolofylline" title="Rolofylline">Rolofylline</a></li> <li><a href="/wiki/SCH-442,416" title="SCH-442,416">SCH-442,416</a></li> <li><a href="/wiki/SCH-58261" title="SCH-58261">SCH-58261</a></li> <li><a href="/w/index.php?title=Sipagladenant&action=edit&redlink=1" class="new" title="Sipagladenant (page does not exist)">Sipagladenant</a></li> <li><a href="/w/index.php?title=Taminadenant&action=edit&redlink=1" class="new" title="Taminadenant (page does not exist)">Taminadenant</a></li> <li><a href="/wiki/Theacrine" title="Theacrine">Theacrine</a></li> <li><a href="/wiki/Theobromine" title="Theobromine">Theobromine</a></li> <li><a href="/wiki/Theodrenaline" title="Theodrenaline">Theodrenaline</a></li> <li><a href="/wiki/Theophylline" title="Theophylline">Theophylline</a></li> <li><a href="/w/index.php?title=Tozadenant&action=edit&redlink=1" class="new" title="Tozadenant (page does not exist)">Tozadenant</a></li> <li><a href="/wiki/Tracazolate" title="Tracazolate">Tracazolate</a></li> <li><a href="/w/index.php?title=Vipadenant&action=edit&redlink=1" class="new" title="Vipadenant (page does not exist)">Vipadenant</a></li> <li><a href="/w/index.php?title=VUF-5574&action=edit&redlink=1" class="new" title="VUF-5574 (page does not exist)">VUF-5574</a></li> <li><a href="/wiki/ZM-241,385" title="ZM-241,385">ZM-241,385</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;;text-align:center;"><a href="/wiki/P2_receptor" title="P2 receptor">P2</a><br />(<a href="/wiki/Nucleotide" title="Nucleotide">nucleotide</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="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:3em;;text-align:center;"><a href="/wiki/P2X_purinoreceptor" title="P2X purinoreceptor">P2X</a><br />(<a href="/wiki/Adenosine_triphosphate" title="Adenosine triphosphate"><abbr title="Adenosine triphosphate">ATP</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 Adenosine triphosphate</span>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><b>Agonists:</b> <a href="/w/index.php?title=2-Methylthio-ATP&action=edit&redlink=1" class="new" title="2-Methylthio-ATP (page does not exist)">2-Me-SATP</a></li> <li><a href="/w/index.php?title=%CE%91,%CE%B2-Methylene-ATP&action=edit&redlink=1" class="new" title="Α,β-Methylene-ATP (page does not exist)">α,β-Me-ATP</a></li> <li><a href="/wiki/Adenosine" title="Adenosine">Adenosine</a></li> <li><a href="/wiki/Adenosine_diphosphate" title="Adenosine diphosphate">ADP</a></li> <li><a href="/wiki/Adenosine_monophosphate" title="Adenosine monophosphate">AMP</a></li> <li><a href="/wiki/Diadenosine_tetraphosphate" class="mw-redirect" title="Diadenosine tetraphosphate">Ap4A</a></li> <li><a href="/w/index.php?title=Diadenosine_pentaphosphate&action=edit&redlink=1" class="new" title="Diadenosine pentaphosphate (page does not exist)">Ap5A</a></li> <li><a href="/wiki/Adenosine_triphosphate" title="Adenosine triphosphate">ATP</a></li> <li><a href="/w/index.php?title=Adenosine-5%27-(%CE%B3-thio)-triphosphate&action=edit&redlink=1" class="new" title="Adenosine-5'-(γ-thio)-triphosphate (page does not exist)">ATPγS</a></li> <li><a href="/w/index.php?title=BzATP&action=edit&redlink=1" class="new" title="BzATP (page does not exist)">BzATP</a></li> <li><a href="/w/index.php?title=Cibacron_blue&action=edit&redlink=1" class="new" title="Cibacron blue (page does not exist)">Cibacron blue</a></li> <li><a href="/wiki/Cytidine_triphosphate" title="Cytidine triphosphate">CTP</a></li> <li><a href="/w/index.php?title=D-%CE%B2,%CE%B3-Me-ATP&action=edit&redlink=1" class="new" title="D-β,γ-Me-ATP (page does not exist)">D-β,γ-Me-ATP</a></li> <li><a href="/wiki/Guanosine_triphosphate" title="Guanosine triphosphate">GTP</a></li> <li><a href="/w/index.php?title=HT-AMP&action=edit&redlink=1" class="new" title="HT-AMP (page does not exist)">HT-AMP</a></li> <li><a href="/wiki/Ivermectin" title="Ivermectin">Ivermectin</a></li> <li><a href="/w/index.php?title=L-%CE%B2,%CE%B3-Me-ATP&action=edit&redlink=1" class="new" title="L-β,γ-Me-ATP (page does not exist)">L-β,γ-Me-ATP</a></li> <li><a href="/w/index.php?title=MRS-2219&action=edit&redlink=1" class="new" title="MRS-2219 (page does not exist)">MRS-2219</a></li> <li><a href="/w/index.php?title=PAPET-ATP&action=edit&redlink=1" class="new" title="PAPET-ATP (page does not exist)">PAPET-ATP</a></li> <li><a href="/wiki/Uridine_triphosphate" title="Uridine triphosphate">UTP</a></li> <li><a href="/wiki/Zinc" title="Zinc">Zinc</a></li></ul> <ul><li><b>Antagonists:</b> <a href="/w/index.php?title=5-BDBD&action=edit&redlink=1" class="new" title="5-BDBD (page does not exist)">5-BDBD</a></li> <li><a href="/w/index.php?title=A-317491&action=edit&redlink=1" class="new" title="A-317491 (page does not exist)">A-317491</a></li> <li><a href="/w/index.php?title=A-438079&action=edit&redlink=1" class="new" title="A-438079 (page does not exist)">A-438079</a></li> <li><a href="/w/index.php?title=A-740003&action=edit&redlink=1" class="new" title="A-740003 (page does not exist)">A-740003</a></li> <li><a href="/w/index.php?title=A-804598&action=edit&redlink=1" class="new" title="A-804598 (page does not exist)">A-804598</a></li> <li><a href="/w/index.php?title=A-839977&action=edit&redlink=1" class="new" title="A-839977 (page does not exist)">A-839977</a></li> <li><a href="/wiki/AF-353" title="AF-353">AF-353</a></li> <li><a href="/w/index.php?title=AZ-10606120&action=edit&redlink=1" class="new" title="AZ-10606120 (page does not exist)">AZ-10606120</a></li> <li><a href="/w/index.php?title=AZ-11645373&action=edit&redlink=1" class="new" title="AZ-11645373 (page does not exist)">AZ-11645373</a></li> <li><a href="/wiki/Brilliant_Blue_G" class="mw-redirect" title="Brilliant Blue G">BBG</a></li> <li><a href="/wiki/Calcium" title="Calcium">Calcium</a></li> <li><a href="/w/index.php?title=Calmidazolium&action=edit&redlink=1" class="new" title="Calmidazolium (page does not exist)">Calmidazolium</a></li> <li><a href="/wiki/Chelerythrine" title="Chelerythrine">Chelerythrine</a></li> <li><a href="/wiki/Copper" title="Copper">Copper</a></li> <li><a href="/wiki/Emodin" title="Emodin">Emodin</a> (<i><a href="/wiki/Rheum_officinale" title="Rheum officinale">Rheum officinale</a></i>)</li> <li><a href="/wiki/Evans_blue_(dye)" title="Evans blue (dye)">Evans blue</a></li> <li><a href="/wiki/Gefapixant" title="Gefapixant">Gefapixant</a></li> <li><a href="/w/index.php?title=GW-791343&action=edit&redlink=1" class="new" title="GW-791343 (page does not exist)">GW-791343</a></li> <li><a href="/w/index.php?title=5-(N,N-Hexamethylene)amiloride&action=edit&redlink=1" class="new" title="5-(N,N-Hexamethylene)amiloride (page does not exist)">HMA</a></li> <li><a href="/w/index.php?title=Diinosine_pentaphosphate&action=edit&redlink=1" class="new" title="Diinosine pentaphosphate (page does not exist)">Ip5I</a></li> <li><a href="/w/index.php?title=IsoPPADS&action=edit&redlink=1" class="new" title="IsoPPADS (page does not exist)">isoPPADS</a></li> <li><a href="/w/index.php?title=JNJ-47965567&action=edit&redlink=1" class="new" title="JNJ-47965567 (page does not exist)">JNJ-47965567</a></li> <li><a href="/w/index.php?title=KN-04&action=edit&redlink=1" class="new" title="KN-04 (page does not exist)">KN-04</a></li> <li><a href="/wiki/KN-62" title="KN-62">KN-62</a></li> <li><a href="/wiki/Magnesium" title="Magnesium">Magnesium</a></li> <li><a href="/w/index.php?title=MRS-2159&action=edit&redlink=1" class="new" title="MRS-2159 (page does not exist)">MRS-2159</a></li> <li><a href="/w/index.php?title=NF-023&action=edit&redlink=1" class="new" title="NF-023 (page does not exist)">NF-023</a></li> <li><a href="/w/index.php?title=NF-110&action=edit&redlink=1" class="new" title="NF-110 (page does not exist)">NF-110</a></li> <li><a href="/w/index.php?title=NF-157&action=edit&redlink=1" class="new" title="NF-157 (page does not exist)">NF-157</a></li> <li><a href="/w/index.php?title=NF-279&action=edit&redlink=1" class="new" title="NF-279 (page does not exist)">NF-279</a></li> <li><a href="/w/index.php?title=NF-449&action=edit&redlink=1" class="new" title="NF-449 (page does not exist)">NF-449</a></li> <li><a href="/wiki/Opiranserin" title="Opiranserin">Opiranserin (VVZ-149)</a></li> <li><a href="/w/index.php?title=Oxidized-ATP&action=edit&redlink=1" class="new" title="Oxidized-ATP (page does not exist)">Oxidized-ATP</a></li> <li><a href="/wiki/Phenol_Red" class="mw-redirect" title="Phenol Red">Phenol Red</a></li> <li><a href="/wiki/Phenolphthalein" title="Phenolphthalein">Phenolphthalein</a></li> <li><a href="/wiki/PPADS" title="PPADS">PPADS</a></li> <li><a href="/w/index.php?title=PPNDS&action=edit&redlink=1" class="new" title="PPNDS (page does not exist)">PPNDS</a></li> <li><a href="/w/index.php?title=PSB-12062&action=edit&redlink=1" class="new" title="PSB-12062 (page does not exist)">PSB-12062</a></li> <li><a href="/wiki/Puerarin" title="Puerarin">Puerarin</a> (<i><a href="/wiki/Radix_puerariae" class="mw-redirect" title="Radix puerariae">Radix puerariae</a></i>)</li> <li><a href="/w/index.php?title=Purotoxin_1&action=edit&redlink=1" class="new" title="Purotoxin 1 (page does not exist)">Purotoxin 1</a></li> <li><a href="/w/index.php?title=Reactive_Blue_2&action=edit&redlink=1" class="new" title="Reactive Blue 2 (page does not exist)">RB-2</a></li> <li><a href="/w/index.php?title=Ro_0437626&action=edit&redlink=1" class="new" title="Ro 0437626 (page does not exist)">Ro 0437626</a></li> <li><a href="/w/index.php?title=Ro_51&action=edit&redlink=1" class="new" title="Ro 51 (page does not exist)">Ro 51</a></li> <li><a href="/w/index.php?title=RO-3&action=edit&redlink=1" class="new" title="RO-3 (page does not exist)">RO-3</a></li> <li><a href="/wiki/Sodium_ferulate" title="Sodium ferulate">Sodium ferulate</a> (<i><a href="/wiki/Angelica_sinensis" title="Angelica sinensis">Angelica sinensis</a></i>, <i><a href="/wiki/Ligusticum_wallichii" class="mw-redirect" title="Ligusticum wallichii">Ligusticum wallichii</a></i>)</li> <li><a href="/wiki/Suramin" title="Suramin">Suramin</a></li> <li><a href="/w/index.php?title=TC-P_262&action=edit&redlink=1" class="new" title="TC-P 262 (page does not exist)">TC-P 262</a></li> <li><a href="/wiki/Tetramethylpyrazine" title="Tetramethylpyrazine">Tetramethylpyrazine (ligustrazine)</a> (<i><a href="/wiki/Ligusticum_wallichii" class="mw-redirect" title="Ligusticum wallichii">Ligusticum wallichii</a></i>)</li> <li><a href="/wiki/TNP-ATP" title="TNP-ATP">TNP-ATP</a></li> <li><a href="/wiki/Zinc" title="Zinc">Zinc</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:3em;;text-align:center;"><a href="/wiki/P2Y_receptor" title="P2Y receptor">P2Y</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><b>Agonists:</b> <a href="/w/index.php?title=2-Methylthioladenosine_diphosphate&action=edit&redlink=1" class="new" title="2-Methylthioladenosine diphosphate (page does not exist)">2-Me-SADP</a></li> <li><a href="/w/index.php?title=2-Methylthioadenosine_triphosphate&action=edit&redlink=1" class="new" title="2-Methylthioadenosine triphosphate (page does not exist)">2-Me-SATP</a></li> <li><a href="/w/index.php?title=2-Thio-UTP&action=edit&redlink=1" class="new" title="2-Thio-UTP (page does not exist)">2-Thio-UTP</a></li> <li><a href="/w/index.php?title=5-Bromouridine_5%E2%80%B2-diphosphate&action=edit&redlink=1" class="new" title="5-Bromouridine 5′-diphosphate (page does not exist)">5-Br-UDP</a></li> <li><a href="/w/index.php?title=5-OMe-UDP&action=edit&redlink=1" class="new" title="5-OMe-UDP (page does not exist)">5-OMe-UDP</a></li> <li><a href="/w/index.php?title=%CE%91,%CE%B2-Methylene-ATP&action=edit&redlink=1" class="new" title="Α,β-Methylene-ATP (page does not exist)">α,β-Me-ATP</a></li> <li><a href="/wiki/Adenosine" title="Adenosine">Adenosine</a></li> <li><a href="/wiki/Adenosine_diphosphate" title="Adenosine diphosphate">ADP</a></li> <li><a href="/w/index.php?title=Adenosine-5%27-(%CE%B2-thio)-diphosphate&action=edit&redlink=1" class="new" title="Adenosine-5'-(β-thio)-diphosphate (page does not exist)">ADPβS</a></li> <li><a href="/w/index.php?title=Diadenosine_triphosphate&action=edit&redlink=1" class="new" title="Diadenosine triphosphate (page does not exist)">Ap3A</a></li> <li><a href="/w/index.php?title=AR-C_67085MX&action=edit&redlink=1" class="new" title="AR-C 67085MX (page does not exist)">AR-C 67085MX</a></li> <li><a href="/wiki/Adenosine_triphosphate" title="Adenosine triphosphate">ATP</a></li> <li><a href="/w/index.php?title=Adenosine-5%27-(%CE%B3-thio)-triphosphate&action=edit&redlink=1" class="new" title="Adenosine-5'-(γ-thio)-triphosphate (page does not exist)">ATPγS</a></li> <li><a href="/wiki/Cytidine_triphosphate" title="Cytidine triphosphate">CTP</a></li> <li><a href="/wiki/Deoxyadenosine_triphosphate" title="Deoxyadenosine triphosphate">dATP</a></li> <li><a href="/wiki/Denufosol" title="Denufosol">Denufosol</a></li> <li><a href="/wiki/Diquafosol" title="Diquafosol">Diquafosol</a></li> <li><a href="/w/index.php?title=Inosine_diphosphate&action=edit&redlink=1" class="new" title="Inosine diphosphate (page does not exist)">IDP</a></li> <li><a href="/wiki/Inosine_triphosphate" title="Inosine triphosphate">ITP</a></li> <li><a href="/wiki/INS-365" class="mw-redirect" title="INS-365">INS-365</a></li> <li><a href="/w/index.php?title=INS-37217&action=edit&redlink=1" class="new" title="INS-37217 (page does not exist)">INS-37217</a></li> <li><a href="/w/index.php?title=MRS-2365&action=edit&redlink=1" class="new" title="MRS-2365 (page does not exist)">MRS-2365</a></li> <li><a href="/w/index.php?title=MRS-2690&action=edit&redlink=1" class="new" title="MRS-2690 (page does not exist)">MRS-2690</a></li> <li><a href="/w/index.php?title=MRS-2693&action=edit&redlink=1" class="new" title="MRS-2693 (page does not exist)">MRS-2693</a></li> <li><a href="/w/index.php?title=MRS-2768&action=edit&redlink=1" class="new" title="MRS-2768 (page does not exist)">MRS-2768</a></li> <li><a href="/w/index.php?title=MRS-2957&action=edit&redlink=1" class="new" title="MRS-2957 (page does not exist)">MRS-2957</a></li> <li><a href="/w/index.php?title=MRS-4062&action=edit&redlink=1" class="new" title="MRS-4062 (page does not exist)">MRS-4062</a></li> <li><a href="/w/index.php?title=NF-546&action=edit&redlink=1" class="new" title="NF-546 (page does not exist)">NF-546</a></li> <li><a href="/w/index.php?title=PAPET-ATP&action=edit&redlink=1" class="new" title="PAPET-ATP (page does not exist)">PAPET-ATP</a></li> <li><a href="/w/index.php?title=PSB-0474&action=edit&redlink=1" class="new" title="PSB-0474 (page does not exist)">PSB-0474</a></li> <li><a href="/w/index.php?title=PSB-1114&action=edit&redlink=1" class="new" title="PSB-1114 (page does not exist)">PSB-1114</a></li> <li><a href="/wiki/Uridine_diphosphate" title="Uridine diphosphate">UDP</a></li> <li><a href="/w/index.php?title=Uridine_5%C2%B4-(%CE%B2-thio)-diphosphate&action=edit&redlink=1" class="new" title="Uridine 5´-(β-thio)-diphosphate (page does not exist)">UDPβS</a></li> <li><a href="/wiki/Uridine_diphosphate_galactose" title="Uridine diphosphate galactose">UDP-galactose</a></li> <li><a href="/wiki/Uridine_diphosphate_glucose" title="Uridine diphosphate glucose">UDP-glucose</a></li> <li><a href="/wiki/Uridine_diphosphate_N-acetylglucosamine" title="Uridine diphosphate N-acetylglucosamine">UDP-N-acetylglucosamine</a></li> <li><a href="/w/index.php?title=Diuridine_triphosphate&action=edit&redlink=1" class="new" title="Diuridine triphosphate (page does not exist)">Up3U</a></li> <li><a href="/wiki/Uridine_triphosphate" title="Uridine triphosphate">UTP</a></li> <li><a href="/w/index.php?title=Uridine-5%27-(%CE%B3-thio)-triphosphate&action=edit&redlink=1" class="new" title="Uridine-5'-(γ-thio)-triphosphate (page does not exist)">UTPγS</a></li></ul> <ul><li><b>Antagonists:</b> <a href="/w/index.php?title=2-Methylthioladenosine_monophosphate&action=edit&redlink=1" class="new" title="2-Methylthioladenosine monophosphate (page does not exist)">2-Me-SAMP</a></li> <li><a href="/w/index.php?title=A3P5PS&action=edit&redlink=1" class="new" title="A3P5PS (page does not exist)">A3P5PS</a></li> <li><a href="/w/index.php?title=AMP%CE%B1S&action=edit&redlink=1" class="new" title="AMPαS (page does not exist)">AMPαS</a></li> <li><a href="/wiki/Diadenosine_tetraphosphate" class="mw-redirect" title="Diadenosine tetraphosphate">Ap4A</a></li> <li><a href="/w/index.php?title=AR-C_66096&action=edit&redlink=1" class="new" title="AR-C 66096 (page does not exist)">AR-C 66096</a></li> <li><a href="/w/index.php?title=AR-C_67085MX&action=edit&redlink=1" class="new" title="AR-C 67085MX (page does not exist)">AR-C 67085MX</a></li> <li><a href="/w/index.php?title=AR-C_69931MX&action=edit&redlink=1" class="new" title="AR-C 69931MX (page does not exist)">AR-C 69931MX</a></li> <li><a href="/w/index.php?title=AR-C_118925XX&action=edit&redlink=1" class="new" title="AR-C 118925XX (page does not exist)">AR-C 118925XX</a></li> <li><a href="/wiki/Adenosine_triphosphate" title="Adenosine triphosphate">ATP</a></li> <li><a href="/w/index.php?title=BzATP&action=edit&redlink=1" class="new" title="BzATP (page does not exist)">BzATP</a></li> <li><a href="/w/index.php?title=C1330-7&action=edit&redlink=1" class="new" title="C1330-7 (page does not exist)">C1330-7</a></li> <li><a href="/wiki/Cangrelor" title="Cangrelor">Cangrelor</a></li> <li><a href="/wiki/Clopidogrel" title="Clopidogrel">Clopidogrel</a></li> <li><a href="/wiki/Elinogrel" title="Elinogrel">Elinogrel</a></li> <li><a href="/w/index.php?title=Diinosine_pentaphosphate&action=edit&redlink=1" class="new" title="Diinosine pentaphosphate (page does not exist)">Ip5I</a></li> <li><a href="/w/index.php?title=MRS-2179&action=edit&redlink=1" class="new" title="MRS-2179 (page does not exist)">MRS-2179</a></li> <li><a href="/w/index.php?title=MRS-2211&action=edit&redlink=1" class="new" title="MRS-2211 (page does not exist)">MRS-2211</a></li> <li><a href="/w/index.php?title=MRS-2279&action=edit&redlink=1" class="new" title="MRS-2279 (page does not exist)">MRS-2279</a></li> <li><a href="/w/index.php?title=MRS-2395&action=edit&redlink=1" class="new" title="MRS-2395 (page does not exist)">MRS-2395</a></li> <li><a href="/w/index.php?title=MRS-2500&action=edit&redlink=1" class="new" title="MRS-2500 (page does not exist)">MRS-2500</a></li> <li><a href="/w/index.php?title=MRS-2578&action=edit&redlink=1" class="new" title="MRS-2578 (page does not exist)">MRS-2578</a></li> <li><a href="/w/index.php?title=NF-157&action=edit&redlink=1" class="new" title="NF-157 (page does not exist)">NF-157</a></li> <li><a href="/w/index.php?title=NF-340&action=edit&redlink=1" class="new" title="NF-340 (page does not exist)">NF-340</a></li> <li><a href="/w/index.php?title=2,2%27-Pyridylisatogen_tosylate&action=edit&redlink=1" class="new" title="2,2'-Pyridylisatogen tosylate (page does not exist)">PIT</a></li> <li><a href="/wiki/PPADS" title="PPADS">PPADS</a></li> <li><a href="/wiki/Prasugrel" title="Prasugrel">Prasugrel</a></li> <li><a href="/w/index.php?title=PSB-0739&action=edit&redlink=1" class="new" title="PSB-0739 (page does not exist)">PSB-0739</a></li> <li><a href="/w/index.php?title=Reactive_Blue_2&action=edit&redlink=1" class="new" title="Reactive Blue 2 (page does not exist)">RB-2</a></li> <li><a href="/wiki/Regrelor" title="Regrelor">Regrelor</a></li> <li><a href="/wiki/Suramin" title="Suramin">Suramin</a></li> <li><a href="/wiki/Ticagrelor" title="Ticagrelor">Ticagrelor</a></li> <li><a href="/wiki/Ticlopidine" title="Ticlopidine">Ticlopidine</a></li> <li><a href="/wiki/Uridine_diphosphate" title="Uridine diphosphate">UDP</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Membrane_transport_protein" title="Membrane transport protein">Transporter</a><br /><small>(<a href="/wiki/Reuptake_inhibitor" title="Reuptake inhibitor">blockers</a>)</small></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:6em;;text-align:center;"><a href="/wiki/Concentrative_nucleoside_transporters" class="mw-redirect" title="Concentrative nucleoside transporters"><abbr title="Concentrative nucleoside transporters">CNTs</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 Concentrative nucleoside transporters</span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=6-Hydroxy-7-methoxyflavone&action=edit&redlink=1" class="new" title="6-Hydroxy-7-methoxyflavone (page does not exist)">6-Hydroxy-7-methoxyflavone</a></li> <li><a href="/wiki/Adenosine" title="Adenosine">Adenosine</a></li> <li><a href="/w/index.php?title=DMeThPmR&action=edit&redlink=1" class="new" title="DMeThPmR (page does not exist)">dMeThPmR</a></li> <li><a href="/wiki/Estradiol" title="Estradiol">Estradiol</a></li> <li><a href="/w/index.php?title=KGO-2142&action=edit&redlink=1" class="new" title="KGO-2142 (page does not exist)">KGO-2142</a></li> <li><a href="/w/index.php?title=KGO-2173&action=edit&redlink=1" class="new" title="KGO-2173 (page does not exist)">KGO-2173</a></li> <li><a href="/w/index.php?title=MeThPmR&action=edit&redlink=1" class="new" title="MeThPmR (page does not exist)">MeThPmR</a></li> <li><a href="/wiki/Phloridzin" class="mw-redirect" title="Phloridzin">Phloridzin</a></li> <li><a href="/wiki/Progesterone" title="Progesterone">Progesterone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;;text-align:center;"><a href="/wiki/Equilibrative_nucleoside_transporters" class="mw-redirect" title="Equilibrative nucleoside transporters"><abbr title="Equilibrative nucleoside transporters">ENTs</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 Equilibrative nucleoside transporters</span></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Barbiturate" title="Barbiturate">Barbiturates</a></li> <li><a href="/wiki/Benzodiazepine" title="Benzodiazepine">Benzodiazepines</a></li> <li><a href="/wiki/Cilostazol" title="Cilostazol">Cilostazol</a></li> <li><a href="/wiki/Dilazep" title="Dilazep">Dilazep</a></li> <li><a href="/wiki/Dipyridamole" title="Dipyridamole">Dipyridamole</a></li> <li><a href="/wiki/Estradiol" title="Estradiol">Estradiol</a></li> <li><a href="/wiki/Ethanol" title="Ethanol">Ethanol</a></li> <li><a href="/wiki/Hexobendine" title="Hexobendine">Hexobendine</a></li> <li><a href="/w/index.php?title=6-S-((4-Nitrophenyl)methyl)-6-thioinosine&action=edit&redlink=1" class="new" title="6-S-((4-Nitrophenyl)methyl)-6-thioinosine (page does not exist)">NBMPR</a></li> <li><a href="/wiki/Pentoxifylline" title="Pentoxifylline">Pentoxifylline</a></li> <li><a href="/wiki/Progesterone" title="Progesterone">Progesterone</a></li> <li><a href="/wiki/Propentofylline" title="Propentofylline">Propentofylline</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;;text-align:center;"><a href="/wiki/Plasma_membrane_monoamine_transporter" title="Plasma membrane monoamine transporter"><abbr title="Plasma membrane monoamine transporter">PMAT</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 Plasma membrane monoamine transporter</span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Decynium-22" title="Decynium-22">Decynium-22</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Enzyme" title="Enzyme">Enzyme</a><br /><small>(<a href="/wiki/Enzyme_inhibitor" title="Enzyme inhibitor">inhibitors</a>)</small></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:6em;;text-align:center;"><a href="/wiki/Xanthine_oxidase" title="Xanthine oxidase"><abbr title="Xanthine oxidase">XO</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 Xanthine oxidase</span></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Allopurinol" title="Allopurinol">Allopurinol</a></li> <li><a href="/wiki/Amflutizole" title="Amflutizole">Amflutizole</a></li> <li><a href="/wiki/Benzbromarone" title="Benzbromarone">Benzbromarone</a></li> <li><a href="/wiki/Caffeic_acid" title="Caffeic acid">Caffeic acid</a></li> <li><a href="/wiki/Cinnamaldehyde" title="Cinnamaldehyde">Cinnamaldehyde</a></li> <li><i><a href="/wiki/Cinnamomum_osmophloeum" title="Cinnamomum osmophloeum">Cinnamomum osmophloeum</a></i></li> <li><a href="/wiki/Febuxostat" title="Febuxostat">Febuxostat</a></li> <li><a href="/wiki/Myo-inositol" class="mw-redirect" title="Myo-inositol">Myo-inositol</a></li> <li><a href="/wiki/Kaempferol" title="Kaempferol">Kaempferol</a></li> <li><a href="/wiki/Myricetin" title="Myricetin">Myricetin</a></li> <li><a href="/w/index.php?title=Niraxostat&action=edit&redlink=1" class="new" title="Niraxostat (page does not exist)">Niraxostat</a></li> <li><a href="/wiki/Oxipurinol" title="Oxipurinol">Oxipurinol</a></li> <li><a href="/wiki/Phytic_acid" title="Phytic acid">Phytic acid</a></li> <li><i><a href="/wiki/Pistacia_integerrima" title="Pistacia integerrima">Pistacia integerrima</a></i></li> <li><a href="/wiki/Propolis" title="Propolis">Propolis</a></li> <li><a href="/wiki/Quercetin" title="Quercetin">Quercetin</a></li> <li><a href="/wiki/Tisopurine" title="Tisopurine">Tisopurine</a></li> <li><a href="/wiki/Topiroxostat" title="Topiroxostat">Topiroxostat</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;;text-align:center;">Others</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aminopterin" title="Aminopterin">Aminopterin</a></li> <li><a href="/wiki/Azathioprine" title="Azathioprine">Azathioprine</a></li> <li><a href="/wiki/Methotrexate" title="Methotrexate">Methotrexate</a></li> <li><a href="/wiki/Mycophenolic_acid" title="Mycophenolic acid">Mycophenolic acid</a></li> <li><a href="/wiki/Pemetrexed" title="Pemetrexed">Pemetrexed</a></li> <li><a href="/wiki/Pralatrexate" title="Pralatrexate">Pralatrexate</a></li> <li><i>Many others</i></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;">Others</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b>Precursors:</b> <a href="/wiki/Adenine" title="Adenine">Adenine</a></li> <li><a href="/wiki/Adenosine" title="Adenosine">Adenosine</a></li> <li><a href="/wiki/Adenosine_monophosphate" title="Adenosine monophosphate">AMP</a></li> <li><a href="/wiki/Adenosine_diphosphate" title="Adenosine diphosphate">ADP</a></li> <li><a href="/wiki/Adenosine_triphosphate" title="Adenosine triphosphate">ATP</a></li> <li><a class="mw-selflink selflink">Cytosine</a></li> <li><a href="/wiki/Cytidine" title="Cytidine">Cytidine</a></li> <li><a href="/wiki/Cytidine_monophosphate" title="Cytidine monophosphate">CMP</a></li> <li><a href="/wiki/Cytidine_diphosphate" title="Cytidine diphosphate">CDP</a></li> <li><a href="/wiki/Cytidine_triphosphate" title="Cytidine triphosphate">CTP</a></li> <li><a href="/wiki/Guanine" title="Guanine">Guanine</a></li> <li><a href="/wiki/Guanosine" title="Guanosine">Guanosine</a></li> <li><a href="/wiki/Guanosine_monophosphate" title="Guanosine monophosphate">GMP</a></li> <li><a href="/wiki/Guanosine_diphosphate" title="Guanosine diphosphate">GDP</a></li> <li><a href="/wiki/Guanosine_triphosphate" title="Guanosine triphosphate">GTP</a></li> <li><a href="/wiki/Hypoxanthine" title="Hypoxanthine">Hypoxanthine</a></li> <li><a href="/wiki/Inosine" title="Inosine">Inosine</a></li> <li><a href="/wiki/Inosine_monophosphate" class="mw-redirect" title="Inosine monophosphate">IMP</a></li> <li><a href="/w/index.php?title=Inosine_diphosphate&action=edit&redlink=1" class="new" title="Inosine diphosphate (page does not exist)">IDP</a></li> <li><a href="/wiki/Inosine_triphosphate" title="Inosine triphosphate">ITP</a></li> <li><a href="/wiki/Ribose" title="Ribose">Ribose</a></li> <li><a href="/wiki/Uracil" title="Uracil">Uracil</a></li> <li><a href="/wiki/Uridine" title="Uridine">Uridine</a></li> <li><a href="/wiki/Uridine_monophosphate" title="Uridine monophosphate">UMP</a></li> <li><a href="/wiki/Uridine_diphosphate" title="Uridine diphosphate">UDP</a></li> <li><a href="/wiki/Uridine_triphosphate" title="Uridine triphosphate">UTP</a></li></ul> <ul><li><b>Others:</b> <a href="/wiki/Chrysophanol" title="Chrysophanol">Chrysophanol</a> (<a href="/wiki/Rhubarb" title="Rhubarb">rhubarb</a>)</li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><i><b>See also:</b> <a href="/wiki/Template:Receptor_modulators" title="Template:Receptor modulators">Receptor/signaling modulators</a></i></div></td></tr></tbody></table></div> <div class="navbox-styles"><link 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