DNA, SuperhelicalBase SequenceNucleic Acid ConformationDNABase CompositionMolecular Sequence DataPlasmidsEscherichia coliDeoxyribonuclease IDNA, CircularCloning, MolecularAmino Acid SequencePromoter Regions, GeneticTranscription, GeneticDNA-Binding ProteinsEthidiumBase PairingDNA Topoisomerases, Type IOsmium TetroxideDNA Restriction EnzymesDNA, ViralOligodeoxyribonucleotidesDNA, BacterialGenesRestriction MappingSimian virus 40Binding SitesBase Pair MismatchNucleic Acid DenaturationElectrophoresis, Agar GelSingle-Strand Specific DNA and RNA EndonucleasesEndonucleasesPolydeoxyribonucleotidesModels, MolecularDeoxyribonucleasesColiphagesKineticsDNA, Single-StrandedHistonesNucleosomesCarbodiimidesOsmolar ConcentrationDNA ReplicationDeoxyribonucleoproteinsThermodynamicsRepetitive Sequences, Nucleic AcidProtein BindingMutationBromosuccinimideDNA, RecombinantDeoxyribonuclease BamHITemplates, GeneticHydrogen BondingChromatinCentrifugation, Density GradientNucleoproteinsSkull BaseTyrothricinMicroscopy, ElectronMolecular WeightSubstrate SpecificitySodium ChlorideSequence Homology, Nucleic AcidBacterial ProteinsDNA Topoisomerases, Type IIMicrococcal NucleaseSchiff BasesNovobiocin