The molecule is a tripeptide composed of L-phenylalanine and two L-tryptophan units joined by peptide linkages. It has a role as a metabolite. It derives from a L-phenylalanine and a L-tryptophan.
(2S)-2-[[(2S)-2-[[(2S)-2-amino-3-phenylpropanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-(1H-indol-3-yl)propanoic acid