title: Dye titrations of covalently closed supercoiled DNA analyzed by agarose gel electrophoresis.
mesh_terms: D001665:Binding Sites; D004279:DNA, Viral; D004591:Electrophoresis, Polyacrylamide Gel; D004996:Ethidium; D008433:Mathematics; D009690:Nucleic Acid Conformation; D013539:Simian virus 40
chemical_list: D004279:DNA, Viral; D004996:Ethidium