has role has role is tautomer of uracil CHEBI:27210 CHEBI:46375 Uracil 2,4-Pyrimidinedione uracil Ura 2,4-Dioxopyrimidine 2,4(1H,3H)-pyrimidinedione Urazil CHEBI:9882 U URACIL CHEBI:15288 CHEBI:17568 A common and naturally occurring pyrimidine nucleobase in which the pyrimidine ring is substituted with two oxo groups at positions 2 and 4. Found in RNA, it base pairs with adenine and replaces thymine during DNA transcription. chebi_ontology pyrimidine nucleobase pyrimidone (4S)-4-hydroxy-3,4-dihydropyrimidin-2(1H)-one prodrug allergen mouse metabolite Saccharomyces cerevisiae metabolite Escherichia coli metabolite human metabolite Daphnia magna metabolite