title: The inactivation of Escherichia coli RNA polymerase by Mg2+ and nucleoside triphosphates and the reactivation by salt.
mesh_terms: D004789:Enzyme Activation; D004926:Escherichia coli / Q000201:enzymology*; D008274:Magnesium / Q000494:pharmacology*; D009711:Nucleotides; D012316:RNA Nucleotidyltransferases / Q000037:antagonists & inhibitors*; D012492:Salts; D014316:Tritium
chemical_list: D009711:Nucleotides; D012492:Salts; D014316:Tritium; D012316:RNA Nucleotidyltransferases; D008274:Magnesium