The molecule is a tetrapeptide composed of L-aspartic acid, L-methionine, L-threonine and L-proline joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-aspartic acid, a L-methionine, a L-threonine and a L-proline.
(2S)-1-[(2S,3R)-2-[[(2S)-2-[[(2S)-2-amino-3-carboxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]pyrrolidine-2-carboxylic acid