title: The specificity of transcription in vitro of the trp operon of Escherichia coli.
mesh_terms: D004926:Escherichia coli / Q000378:metabolism; D005827:Genetics, Microbial; D009876:Operon; D012329:RNA, Bacterial / Q000096:biosynthesis; D012333:RNA, Messenger / Q000096:biosynthesis; D014158:Transcription, Genetic; D014364:Tryptophan
chemical_list: D012329:RNA, Bacterial; D012333:RNA, Messenger; D014364:Tryptophan