The molecule is a peptide anion that is the conjugate base of pyroglutamylglutamine, obtained by deprotonation of the carboxy group; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a pyroglutamylglutamine.
(2S)-5-amino-5-oxo-2-[[(2S)-5-oxopyrrolidine-2-carbonyl]amino]pentanoate