title: R17 RNA replicase. IV. Rifamycin sensitive component of the replicase.
mesh_terms: D001426:Bacterial Proteins / Q000032:analysis; D002474:Cell-Free System; D003090:Coliphages / Q000187:drug effects / Q000201:enzymology* / Q000254:growth & development; D012321:DNA-Directed RNA Polymerases / Q000302:isolation & purification; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects / Q000201:enzymology; D008826:Microbial Sensitivity Tests; D012367:RNA, Viral; D012294:Rifamycins / Q000494:pharmacology*
chemical_list: D001426:Bacterial Proteins; D012367:RNA, Viral; D012294:Rifamycins; D012321:DNA-Directed RNA Polymerases