title: Systematic nomenclature for the RNA polymerase genes of prokaryotes.
mesh_terms: D001412:Bacillus subtilis / Q000201:enzymology; D012321:DNA-Directed RNA Polymerases / Q000145:classification*; D004926:Escherichia coli / Q000201:enzymology; D005796:Genes; D009154:Mutation; D012486:Salmonella typhimurium / Q000201:enzymology; D009626:Terminology as Topic
chemical_list: D012321:DNA-Directed RNA Polymerases