title: Length measurements of RNA synthesized in vitro by Escherichia coli RNA polymerase.
mesh_terms: D002499:Centrifugation, Density Gradient; D003090:Coliphages / Q000032:analysis / Q000187:drug effects / Q000201:enzymology; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D004926:Escherichia coli / Q000032:analysis / Q000166:cytology / Q000201:enzymology*; D008854:Microscopy, Electron; D009690:Nucleic Acid Conformation; D011485:Protein Binding; D012329:RNA, Bacterial / Q000032:analysis / Q000096:biosynthesis*; D012343:RNA, Transfer / Q000032:analysis / Q000096:biosynthesis; D012367:RNA, Viral / Q000032:analysis / Q000096:biosynthesis; D012293:Rifampin / Q000494:pharmacology; D013539:Simian virus 40 / Q000032:analysis / Q000201:enzymology; D013698:Templates, Genetic; D014158:Transcription, Genetic
chemical_list: D012329:RNA, Bacterial; D012367:RNA, Viral; D012343:RNA, Transfer; D012321:DNA-Directed RNA Polymerases; D012293:Rifampin