The molecule is a tripeptide composed of L-lysine, L-glutamic acid and L-threonine joined in sequence by peptide linkages. It derives from a L-lysine, a L-glutamic acid and a L-threonine.
(4S)-5-[[(1S,2R)-1-carboxy-2-hydroxypropyl]amino]-4-[[(2S)-2,6-diaminohexanoyl]amino]-5-oxopentanoic acid