The molecule is a peptide anion that is the conjugate base of gamma-Glu-Gln, obtained by removal of protons from the two carboxy groups as well as protonation of the amino group; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a gamma-Glu-Gln.
(2S)-5-[[(1S)-4-amino-1-carboxylato-4-oxobutyl]amino]-2-azaniumyl-5-oxopentanoate