SMILES: C([C@@H](C(=O)O)N)S.Cl
Description: The molecule is a hydrochloride obtained by combining L-cysteine with one molar equivalent of hydrogen chloride. It has a role as an EC 4.3.1.3 (histidine ammonia-lyase) inhibitor, a flour treatment agent and a human metabolite. It contains a L-cysteinium.