title: Termination of transcription and its regulation in the tryptophan operon of E. coli.
mesh_terms: D001483:Base Sequence; D004269:DNA, Bacterial / Q000235:genetics; D012321:DNA-Directed RNA Polymerases / Q000235:genetics; D004926:Escherichia coli / Q000235:genetics*; D009690:Nucleic Acid Conformation; D009876:Operon; D012234:Rho Factor; D012270:Ribosomes / Q000378:metabolism; D014158:Transcription, Genetic; D014364:Tryptophan / Q000235:genetics*
chemical_list: D004269:DNA, Bacterial; D012234:Rho Factor; D014364:Tryptophan; D012321:DNA-Directed RNA Polymerases