SMILES: C(C(C(=O)O)N)SSCC(C(=O)O)N
Description: The molecule is a sulfur-containing amino acid obtained by the oxidation of two cysteine molecules which are then linked via a disulfide bond. It has a role as a human metabolite and a mouse metabolite. It is an organic disulfide, a sulfur-containing amino acid and a cysteine derivative. It is a tautomer of a cystine zwitterion.