The molecule is a dipeptide composed of L-alanine and L-proline joined by a peptide linkage. It has a role as a metabolite. It derives from a L-alanine and a L-proline. It is a tautomer of an Ala-Pro zwitterion.
(2S)-1-[(2S)-2-aminopropanoyl]pyrrolidine-2-carboxylic acid