title: Effects of supercoiling on transcription from bacteriophage PM2 deoxyribonucleic acid.
mesh_terms: D001665:Binding Sites; D002499:Centrifugation, Density Gradient; D003090:Coliphages / Q000378:metabolism*; D004279:DNA, Viral / Q000378:metabolism*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism; D003851:Deoxyribonucleases; D004926:Escherichia coli / Q000187:drug effects / Q000201:enzymology / Q000378:metabolism*; D004996:Ethidium; D008274:Magnesium / Q000494:pharmacology; D008345:Manganese / Q000494:pharmacology; D009690:Nucleic Acid Conformation; D009691:Nucleic Acid Denaturation; D009994:Osmolar Concentration; D010179:Pancreas / Q000201:enzymology; D011118:Polynucleotide Ligases / Q000378:metabolism; D011189:Potassium Chloride / Q000494:pharmacology; D012329:RNA, Bacterial / Q000096:biosynthesis; D013696:Temperature; D013698:Templates, Genetic; D014158:Transcription, Genetic / Q000187:drug effects*; D014316:Tritium
chemical_list: D004279:DNA, Viral; D012329:RNA, Bacterial; D014316:Tritium; D008345:Manganese; D011189:Potassium Chloride; D012321:DNA-Directed RNA Polymerases; D003851:Deoxyribonucleases; D011118:Polynucleotide Ligases; D004996:Ethidium; D008274:Magnesium