title: [Purification and specificity studies of beta-galactosidase from Escherichia coli B].
mesh_terms: D002845:Chromatography; D004586:Electrophoresis; D004926:Escherichia coli / Q000201:enzymology*; D005696:Galactosidases / Q000302:isolation & purification / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008970:Molecular Weight; D013329:Structure-Activity Relationship; D013696:Temperature
chemical_list: D005696:Galactosidases