SMILES: C(CC(=O)NC(CSSCC(C(=O)[O-])NC(=O)CCC(C(=O)[O-])[NH3+])C(=O)[O-])C(C(=O)[O-])[NH3+]
Description: The molecule is dianion of bis-gamma-glutamylcystine arising from deprotonation of all four carboxy groups and protonation of both amino groups; major species at pH 7.3. It is a conjugate base of a bis-gamma-glutamylcystine.