The molecule is a dipeptide composed of L-phenylalanine and L-histidine joined by a peptide linkage. It has a role as a metabolite. It derives from a L-phenylalanine and a L-histidine. It is a tautomer of a Phe-His zwitterion.
(2S)-2-[[(2S)-2-amino-3-phenylpropanoyl]amino]-3-(1H-imidazol-5-yl)propanoic acid