[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch1][O][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is dizwitterionic form of meso-2,6-diaminopimelic acid arising from migration of protons from both carboxy groups to the amino groups; major species at pH 7.3. It has a role as a human metabolite and an Escherichia coli metabolite. It is a conjugate acid of a meso-2,6-diaminopimelate(2-). It is a tautomer of a meso-2,6-diaminopimelic acid."}]