title: Characterization of i-d repressor mutations of the lactose operon.
mesh_terms: D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D004926:Escherichia coli / Q000201:enzymology / Q000235:genetics; D005809:Genes, Regulator; D007700:Kinetics; D007785:Lactose / Q000235:genetics*; D009154:Mutation; D009876:Operon; D001616:beta-Galactosidase / Q000378:metabolism
chemical_list: D001616:beta-Galactosidase; D007785:Lactose