has role cysteine D-cysteine L-cysteine Cys L-Zystein L-Cystein PMID:22735334 Gmelin:49991 MetaCyc:CYS C3H7NO2S Beilstein:1721408 0 KEGG:C00097 HMDB:HMDB0000574 Reaxys:1721408 InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1 CHEBI:41768 E 920 CHEBI:6207 XUJNEKJLAYXESH-REOHCLBHSA-N YMDB:YMDB00046 KNApSAcK:C00001351 CAS:52-90-4 CHEBI:13095 ECMDB:ECMDB00574 (R)-2-amino-3-mercaptopropanoic acid CHEBI:41811 PDBeChem:CYS Codex::920 PMID:13761469 E920 CHEBI:41781 Drug_Central:769 121.15800 L-cysteine PMID:11732994 L-Cysteine CHEBI:17561 N[C@@H](CS)C(O)=O Europe::920 DrugBank:DB00151 KEGG:D00026 (2R)-2-amino-3-sulfanylpropanoic acid chebi_ontology CHEBI:41227 CHEBI:41700 Wikipedia:Cysteine C E-920 CHEBI:21261 FREE CYSTEINE An optically active form of cysteine having L-configuration. (2R)-2-amino-3-mercaptopropanoic acid CYSTEINE 121.01975 L-2-Amino-3-mercaptopropionic acid LanguaL term definition: Food additive; technological purpose(s): flour treatment agent. cysteine, l- and its hydrochlorides - sodium and potassium salts l-cysteine serine family amino acid L-cysteinate(1-) L-cysteinium L-cysteine zwitterion flour treatment agent EC 4.3.1.3 (histidine ammonia-lyase) inhibitor human metabolite