cysteine cysteinate(1-) chebi_ontology hydrogen cysteinate cys(-) Beilstein:4128885 2-amino-3-mercaptopropanoate InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/p-1 NC(CS)C([O-])=O Gmelin:363235 Reaxys:4128885 cysteine monoanion cysteinate(1-) 2-amino-3-sulfanylpropanoate A sulfur-containing amino-acid anion that is the conjugate base of cysteine, obtained by deprotonation of the carboxy group. CHEBI:32456 120.15128 C3H6NO2S -1 XUJNEKJLAYXESH-UHFFFAOYSA-M 120.01247 cysteinate(2-) alpha-amino-acid anion cysteine zwitterion sulfur-containing amino-acid anion