title: A method for extracting purified DNA or protein-DNA complex from escherichia coli.
mesh_terms: D002499:Centrifugation, Density Gradient; D003090:Coliphages / Q000032:analysis*; D003377:Countercurrent Distribution; D003470:Culture Media; D004269:DNA, Bacterial / Q000032:analysis*; D004279:DNA, Viral / Q000032:analysis*; D003911:Dextrans; D004926:Escherichia coli / Q000032:analysis*; D006018:Glycols; D046911:Macromolecular Substances / Q000032:analysis; D008722:Methods; D009113:Muramidase; D009691:Nucleic Acid Denaturation; D011485:Protein Binding; D011489:Protein Denaturation; D011506:Proteins / Q000032:analysis; D013696:Temperature; D014316:Tritium
chemical_list: D003470:Culture Media; D004269:DNA, Bacterial; D004279:DNA, Viral; D003911:Dextrans; D006018:Glycols; D046911:Macromolecular Substances; D011506:Proteins; D014316:Tritium; D009113:Muramidase