title: Functional properties of Escherichia coli ribonucleic acid polymerase subunit subassemblies.
mesh_terms: D001665:Binding Sites; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism; D004926:Escherichia coli / Q000201:enzymology*; D046911:Macromolecular Substances; D008970:Molecular Weight; D011485:Protein Binding; D012293:Rifampin / Q000378:metabolism
chemical_list: D046911:Macromolecular Substances; D012321:DNA-Directed RNA Polymerases; D012293:Rifampin