The molecule is a tetrapeptide composed of L-alanine, two L-leucine units, and L-threonine joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-alanine, a L-leucine and a L-threonine.
(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-aminopropanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-3-hydroxybutanoic acid