[{"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][N][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a 2,6-diaminopimelic acid in which both chiral centres have S configuration. It is a component of bacterial cell wall. It has a role as an Escherichia coli metabolite. It is a conjugate acid of a LL-2,6-diaminopimelate(2-). It is a tautomer of a (2S,6S)-2,6-diaminopimelic acid dizwitterion."}]