title: Subunits of RNA polymerase in function and structure. IV. Enhancing role of sigma in the subunit assembly of Escherichia coli RNA polymerase.
mesh_terms: D002499:Centrifugation, Density Gradient; D003090:Coliphages; D004279:DNA, Viral; D012321:DNA-Directed RNA Polymerases; D004789:Enzyme Activation; D004926:Escherichia coli / Q000201:enzymology*; D006863:Hydrogen-Ion Concentration; D009994:Osmolar Concentration; D011189:Potassium Chloride; D013460:Sulfur Isotopes; D013696:Temperature; D014316:Tritium
chemical_list: D004279:DNA, Viral; D013460:Sulfur Isotopes; D014316:Tritium; D011189:Potassium Chloride; D012321:DNA-Directed RNA Polymerases