The molecule is a tetrapeptide composed of L-aspartic acid, L-leucine, L-threonine and L-serine joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-aspartic acid, a L-leucine, a L-threonine and a L-serine.
(3S)-3-amino-4-[[(2S)-1-[[(2S,3R)-1-[[(1S)-1-carboxy-2-hydroxyethyl]amino]-3-hydroxy-1-oxobutan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-4-oxobutanoic acid