The molecule is a tetrapeptide composed of an L-alanyl, two L-asparagyl units, and an L-proline joined by peptide linkages. It has a role as a metabolite. It derives from a L-alanine, a L-asparagine and a L-proline.
(2S)-1-[(2S)-4-amino-2-[[(2S)-4-amino-2-[[(2S)-2-aminopropanoyl]amino]-4-oxobutanoyl]amino]-4-oxobutanoyl]pyrrolidine-2-carboxylic acid