[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][O][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is the meso-isomer of 2,6-diaminopimelic acid. It is a key constituent of bacterial peptidoglycan and is often found in human urine due to the breakdown of the gut microbes. It has a role as a human metabolite. It is a conjugate acid of a meso-2,6-diaminopimelate(2-). It is a tautomer of a meso-2,6-diaminopimelic acid dizwitterion."}]