[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is dianion of O-phospho-L-homoserine having anionic phosphate and carboxy groups and a protonated amino group. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate base of an O-phospho-L-homoserine."}]