The molecule is a tetrapeptide composed of L-aspartic acid, two L-tryptophan units and L-valine joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-aspartic acid, a L-tryptophan and a L-valine.
(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-3-carboxypropanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-methylbutanoic acid