loop_ _pdbx_entity_name_taxonomy_tree.id _pdbx_entity_name_taxonomy_tree.parent_id 'Oxidoreductases' '-' 'alcohol dehydrogenase' 'Oxidoreductases' 'alcohol dehydrogenase (NADP)' 'Oxidoreductases' 'homoserine dehydrogenase' 'Oxidoreductases' 'Transferases' '-' 'nicotinamide N-methyltransferase' 'Transferases' 'glycine N-methyltransferase' 'Transferases'