has role has role is conjugate base of is enantiomer of L-cysteinate(1-) L-cysteinate(2-) L-cysteinate(2-) (2R)-2-amino-3-sulfidopropanoate L-cysteine dianion The <small>L</small>-enantiomer of cysteinate(2−). chebi_ontology CHEBI:32443 D-cysteinate(2-) cysteinate(2-) fundamental metabolite