title: Bacteriophage T7 protein kinase is magnesium-dependent and sulfate-activated.
mesh_terms: D003090:Coliphages / Q000201:enzymology*; D004789:Enzyme Activation; D004926:Escherichia coli / Q000201:enzymology*; D007700:Kinetics; D008274:Magnesium / Q000494:pharmacology*; D009994:Osmolar Concentration; D011494:Protein Kinases / Q000378:metabolism*; D013431:Sulfates / Q000494:pharmacology*
chemical_list: D013431:Sulfates; D011494:Protein Kinases; D008274:Magnesium