title: Transcription of the tryptophan operon in Escherichia coli: rifampicin as an inhibitor of initiation.
mesh_terms: D004352:Drug Resistance, Microbial; D004492:Edetic Acid / Q000494:pharmacology; D004926:Escherichia coli / Q000187:drug effects*; D005815:Genetic Code; D008967:Molecular Biology; D009876:Operon; D012316:RNA Nucleotidyltransferases; D012333:RNA, Messenger; D012293:Rifampin / Q000494:pharmacology*; D014316:Tritium; D014529:Uridine / Q000037:antagonists & inhibitors / Q000378:metabolism
chemical_list: D012333:RNA, Messenger; D014316:Tritium; D004492:Edetic Acid; D012316:RNA Nucleotidyltransferases; D012293:Rifampin; D014529:Uridine