title: Purification and comparison of the beta-galactosidase synthesized by Escherichia coli F-lac and Proteus mirabilis F-lac.
mesh_terms: D002384:Catalysis; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D003460:Crystallization; D004586:Electrophoresis; D004790:Enzyme Induction; D004926:Escherichia coli / Q000201:enzymology*; D005696:Galactosidases / Q000032:analysis*; D005827:Genetics, Microbial; D008967:Molecular Biology; D008970:Molecular Weight; D011511:Proteus / Q000201:enzymology*; D014461:Ultracentrifugation
chemical_list: D005696:Galactosidases