The molecule is the dicarboxylic acid monoamide arising by formal condensation of the carboxylic acid group of the glycine residue of glutathione with ammonia. It is a glutathione derivative, a tripeptide and a dicarboxylic acid monoamide. It is a tautomer of a glutathione amide zwitterion.
(2S)-2-amino-5-[[(2R)-1-[(2-amino-2-oxoethyl)amino]-1-oxo-3-sulfanylpropan-2-yl]amino]-5-oxopentanoic acid