The molecule is a tetrapeptide composed of L-alanine, L-tryptophan, L-asparagine, and L-aspartic acid joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-alanine, a L-tryptophan, a L-asparagine and a L-aspartic acid.
(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S)-2-aminopropanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-4-oxobutanoyl]amino]butanedioic acid