The molecule is a tripeptide composed of L-phenylalanine, L-aspartic acid, and L-cysteine joined by peptide linkages. It has a role as a metabolite. It derives from a L-phenylalanine, a L-aspartic acid and a L-cysteine.
(3S)-3-[[(2S)-2-amino-3-phenylpropanoyl]amino]-4-[[(1R)-1-carboxy-2-sulfanylethyl]amino]-4-oxobutanoic acid