title: Initiation of transcription by Escherichia coli RNA polymerase from supercoiled and non-supercoiled bacteriophage PM2 DNA.
mesh_terms: D001435:Bacteriophages / Q000378:metabolism*; D001665:Binding Sites; D004267:DNA Viruses / Q000378:metabolism; D004270:DNA, Circular / Q000378:metabolism*; D004279:DNA, Viral / Q000378:metabolism*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D004926:Escherichia coli / Q000201:enzymology*; D007700:Kinetics; D046911:Macromolecular Substances; D009690:Nucleic Acid Conformation; D011485:Protein Binding; D011549:Pseudomonas; D012293:Rifampin / Q000494:pharmacology; D013696:Temperature; D013698:Templates, Genetic; D013997:Time Factors; D014158:Transcription, Genetic / Q000187:drug effects
chemical_list: D004270:DNA, Circular; D004279:DNA, Viral; D046911:Macromolecular Substances; D012321:DNA-Directed RNA Polymerases; D012293:Rifampin