[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][#Branch2][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][Se]"}, {"from": "gpt", "value": "The molecule is an alpha-amino acid that consists of alanine where one of the methyl hydrogens is substituted with a seleno group. It has a role as a human metabolite. It contains a selanylmethyl group. It is a conjugate base of a selenocysteinium. It is a conjugate acid of a selenocysteinate(1-)."}]