Cytosine () (symbol C or Cyt) is one of the four nucleotide bases found in DNA and RNA, along with adenine, guanine, and thymine (uracil in RNA). It is a pyrimidine derivative, with a heterocyclic aromatic ring and two substituents attached (an amine group at position 4 and a keto group at position 2). The nucleoside of cytosine is cytidine. In Watson–Crick base pairing, it forms three hydrogen bonds with guanine. |
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InChI=1S/C20H34O6/c1- 2- 3- 6- 9- 15(21) 12- 13- 18- 16(17(22) 14- 20(25) 26- 18) 10- 7- 4- 5- 8- 11- 19(23) 24/h4,7,12- 13,15- 18,20- 22,25H,2- 3,5- 6,8- 11,14H2,1H3,(H,23,24) /b7- 4- ,13- 12+/t15- ,16- ,17- ,18+,20?/m0/s1 |
XNRNNGPBEPRNAR-JQBLCGNGSA-N |
CCCCC[C@H](O)\C=C\[C@H]1OC(O)C[C@H](O)[C@@H]1C\C=C/CCCC(O)=O |
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human metabolite
Any mammalian metabolite produced during a metabolic reaction in humans (Homo sapiens).
mouse metabolite
Any mammalian metabolite produced during a metabolic reaction in a mouse (Mus musculus).
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View more via ChEBI Ontology
(5Z,13E,15S)-9α,11,15-trihydroxythromboxa-5,13-dien-1-oic acid
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Thromboxane B2
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KEGG COMPOUND
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TXB2
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KEGG COMPOUND
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TXB2
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LIPID MAPS
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TXB2
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ChEBI
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1399489
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Reaxys Registry Number
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Reaxys
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54397-85-2
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CAS Registry Number
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ChemIDplus
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24433337
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PubMed citation
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Europe PMC
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24786190
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PubMed citation
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Europe PMC
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7847191
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PubMed citation
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Europe PMC
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