title: The nature of initiation sites on DNA for the core RNA polymerase.
mesh_terms: D002625:Chemistry, Organic; D003090:Coliphages; D004279:DNA, Viral; D003851:Deoxyribonucleases; D009713:Nucleotidyltransferases; D055601:Organic Chemistry Phenomena; D012367:RNA, Viral / Q000096:biosynthesis*
chemical_list: D004279:DNA, Viral; D012367:RNA, Viral; D009713:Nucleotidyltransferases; D003851:Deoxyribonucleases