DNA Topoisomerases, Type IDNA Topoisomerases, Type IIDNA TopoisomerasesTopoisomerase II InhibitorsTopoisomerase InhibitorsTopoisomerase I InhibitorsDNA, SuperhelicalProscillaridinAmsacrineDNA, CatenatedCatenanesDNA GyraseDNADNA Topoisomerase IVTeniposideNovobiocinNucleic Acid ConformationEscherichia coliCamptothecinEukaryotic CellsBase SequenceDNA ReplicationDNA, CircularPlasmidsMolecular Sequence DataModels, MolecularDNA DamageEnzyme InhibitorsCatalysisDNA-Binding ProteinsSubstrate SpecificityBinding SitesDNA, BacterialAmino Acid SequenceSaccharomyces cerevisiaeDNA, ViralKineticsDNA CleavageAntineoplastic AgentsAdenosine TriphosphateEllipticinesCollagen Type IIAminoacridinesQuinolonesCrithidiaFluoroquinolonesDNA, KinetoplastMutationCell LineAminocoumarinsNucleic Acid HybridizationElectrophoresis, Agar GelIntercalating AgentsAnti-Infective AgentsDNA, NeoplasmEtoposideNaphthyridinesRecombination, GeneticAntigens, NeoplasmSimian virus 40IndenesHeLa CellsCloning, MolecularCell NucleusRecombinasesDNA Repair4-QuinolonesThymidineMolecular WeightCell Transformation, ViralBenzidinesDNA Restriction EnzymesSulfolobusTriterpenesCells, Cultured