The molecule is a tetrapeptide composed of L-alanyl, L-asparagyl, L-aspartyl, and L-proline residues joined in sequence. It has a role as a metabolite. It derives from a L-alanine, a L-asparagine, a L-aspartic acid and a L-proline.
(2S)-1-[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-aminopropanoyl]amino]-4-oxobutanoyl]amino]-3-carboxypropanoyl]pyrrolidine-2-carboxylic acid