[{"from": "human", "value": "Describe this molecule. [C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid monoanion obtained by deprotonation of the carboxy groups and protonation of the amino group of erythro-4-hydroxy-L-glutamic acid. It has a role as a human metabolite. It is a dicarboxylic acid monoanion and a L-alpha-amino acid anion. It is functionally related to a L-glutamate(1-). It is a conjugate base of an erythro-4-hydroxy-L-glutamic acid."}]