title: Genetic evidence for the disposition of the substrate binding site of beta-galactosidase.
mesh_terms: D000595:Amino Acid Sequence; D001665:Binding Sites; D004926:Escherichia coli; D005690:Galactose; D005696:Galactosidases; D005809:Genes, Regulator; D007700:Kinetics; D007785:Lactose; D008967:Molecular Biology; D009154:Mutation
chemical_list: D005696:Galactosidases; D007785:Lactose; D005690:Galactose