The molecule is an amino dicarboxylic acid that is meso-2,6-diaminopimelic acid in which a hydrogen at position 3 has been replaced by a hydroxy group. It is a constituent of bacterial cell wall peptidoglycan. It is an amino dicarboxylic acid, a 3-hydroxy carboxylic acid and a non-proteinogenic alpha-amino acid. It derives from a meso-2,6-diaminopimelic acid.
(2R,6S)-2,6-diamino-3-hydroxyheptanedioic acid