title: Synergistic activation of beta-galactosidase by Na and Cs.
mesh_terms: D001665:Binding Sites; D002586:Cesium / Q000494:pharmacology*; D055598:Chemical Phenomena; D002621:Chemistry; D004926:Escherichia coli / Q000201:enzymology; D005696:Galactosidases / Q000378:metabolism*; D006027:Glycosides / Q000378:metabolism; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008954:Models, Biological; D012964:Sodium / Q000494:pharmacology*
chemical_list: D006027:Glycosides; D002586:Cesium; D012964:Sodium; D005696:Galactosidases