DNA Topoisomerases, Type IDNA Topoisomerases, Type IIDNA TopoisomerasesTopoisomerase II InhibitorsTopoisomerase InhibitorsTopoisomerase I InhibitorsDNA, SuperhelicalProscillaridinAmsacrineDNA, CatenatedCatenanesDNA GyraseDNA Topoisomerase IVDNANucleotidesTeniposideNucleic Acid ConformationNovobiocinMolecular Sequence DataEscherichia coliBase SequenceCamptothecinEukaryotic CellsAmino Acid SequencePlasmidsModels, MolecularDNA, CircularDNA ReplicationBinding SitesCatalysisSubstrate SpecificityAdenosine TriphosphateDNA DamageDNA-Binding ProteinsEnzyme InhibitorsSaccharomyces cerevisiaeDNA, BacterialKineticsPolymorphism, Single NucleotideAdenine NucleotidesAntineoplastic AgentsDNA CleavageCloning, MolecularEllipticinesCollagen Type IIGuanine NucleotidesMutationAminoacridinesCrithidiaQuinolonesPurine NucleotidesFluoroquinolonesDNA, KinetoplastAminocoumarinsTranscription, GeneticSequence Homology, Amino AcidProtein BindingIntercalating AgentsAnti-Infective AgentsEtoposidePhylogenyNucleotides, CyclicNaphthyridinesAntigens, NeoplasmGuanine Nucleotide Exchange FactorsSequence Analysis, DNASequence Homology, Nucleic AcidDNA, ViralRecombination, GeneticSequence AlignmentOligonucleotidesBacterial ProteinsIndenesPyrimidine NucleotidesDNA PrimersDNA RepairProtein Structure, TertiaryRecombinant ProteinsRecombinasesHydrolysisProtein ConformationRNA, Messenger4-QuinolonesElectrophoresis, Agar GelCell LineStructure-Activity RelationshipOligodeoxyribonucleotidesCattleElectrophoresis, Polyacrylamide GelSulfolobusMolecular WeightHeLa CellsGenesAdenosine TriphosphatasesIsoenzymesGenes, BacterialDNA, FungalArchaeal ProteinsEvolution, MolecularTriterpenes