The molecule is a tetrapeptide composed of L-isoleucine, L-leucine, L-valine and L-tyrosine joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-isoleucine, a L-leucine, a L-valine and a L-tyrosine.
(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3S)-2-amino-3-methylpentanoyl]amino]-4-methylpentanoyl]amino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoic acid