has role has role is conjugate acid of is conjugate base of is enantiomer of D-cysteine L-cysteinate(1-) D-cysteinate(1-) chebi_ontology (2S)-2-amino-3-mercaptopropanoate CHEBI:32449 Gmelin:1006156 D-cysteine monoanion D-cysteinate(1-) hydrogen D-cysteinate XUJNEKJLAYXESH-UWTATZPHSA-M InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/p-1/t2-/m1/s1 (2S)-2-amino-3-sulfanylpropanoate C3H6NO2S -1 120.15128 The D-enantiomer of cysteinate(1-). 120.01247 N[C@H](CS)C([O-])=O D-cysteinate(2-) cysteinate(1-) D-cysteine zwitterion fundamental metabolite