The molecule is a tripeptide comprising L-alanyl, gamma-D-glutamyl and meso-diaminopimelic acid residues in a linear sequence. It is a conjugate acid of a L-alanyl-gamma-D-glutamyl-meso-diaminopimelate(1-).
(2S,6R)-2-amino-6-[[(4R)-4-[[(2S)-2-aminopropanoyl]amino]-4-carboxybutanoyl]amino]heptanedioic acid