title: The periodicity of RNA polymerase initiations: a new regulatory feature of transcription.
mesh_terms: D003090:Coliphages; D004926:Escherichia coli; D005815:Genetic Code; D006824:Hybridization, Genetic; D010507:Periodicity; D012316:RNA Nucleotidyltransferases; D012333:RNA, Messenger / Q000096:biosynthesis; D014364:Tryptophan
chemical_list: D012333:RNA, Messenger; D014364:Tryptophan; D012316:RNA Nucleotidyltransferases