[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][Se]"}, {"from": "gpt", "value": "The molecule is zwitterionic form of L-selenocysteine having a anionic carboxy group and a cationic amino group; major species at pH 7.3. It is a tautomer of a L-selenocysteine."}]