title: Reference mutations for the beta subunit of RNA polymerase.
mesh_terms: D012321:DNA-Directed RNA Polymerases; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000201:enzymology; D005827:Genetics, Microbial; D008967:Molecular Biology; D009154:Mutation; D012293:Rifampin; D014158:Transcription, Genetic
chemical_list: D012321:DNA-Directed RNA Polymerases; D012293:Rifampin