Effects of supercoiling on transcription from bacteriophage PM2 deoxyribonucleic acid.

Binding Sites Centrifugation, Density Gradient Coliphages/metabolism DNA, Viral/metabolism DNA-Directed RNA Polymerases/metabolism Deoxyribonucleases Escherichia coli/drug effects,enzymology,metabolism Ethidium Magnesium/pharmacology Manganese/pharmacology Nucleic Acid Conformation Nucleic Acid Denaturation Osmolar Concentration Pancreas/enzymology Polynucleotide Ligases/metabolism Potassium Chloride/pharmacology RNA, Bacterial/biosynthesis Temperature Templates, Genetic Transcription, Genetic/drug effects Tritium

DNA, Viral RNA, Bacterial Tritium Manganese Potassium Chloride DNA-Directed RNA Polymerases Deoxyribonucleases Polynucleotide Ligases Ethidium Magnesium