[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch1][Ring2][C][C][N][C][C@@H1][Branch2][Ring1][Ring2][C][=Branch1][C][=O][N][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a dipeptide obtained by formal condensation of the carboxy group of L-lysine with the amino group of D-aspartic acid. It is a constituent of bacterial peptidoglycan type A4alpha. It is functionally related to a D-aspartic acid and a L-lysine."}]