Topoisomerase II InhibitorsTopoisomerase I InhibitorsDNA Topoisomerases, Type IDNA Topoisomerases, Type IITopoisomerase InhibitorsDNA Topoisomerase IVAmsacrineTeniposideCamptothecinDNA, SuperhelicalEtoposideDNA TopoisomerasesDNADNA CleavageDNA, CatenatedRazoxaneNovobiocinEllipticinesAntigens, NeoplasmIntercalating AgentsDNA DamageDNA GyraseDNA-Binding ProteinsTopotecanAntineoplastic Agents, PhytogenicEnzyme InhibitorsPodophyllotoxinMolecular Sequence DataAntineoplastic AgentsBase SequenceNucleic Acid ConformationDNA, KinetoplastAminoacridinesThiobarbituratesQuinolonesDrug ResistanceTumor Cells, CulturedPlasmidsAnti-Infective AgentsCatalysisFluoroquinolonesAminocoumarinsMutationSubstrate SpecificityEscherichia coliDNA ReplicationDrug Screening Assays, AntitumorIsoenzymesIndenesLeukemia P388DoxorubicinSaccharomyces cerevisiaeCrithidia fasciculataAclarubicinCell CycleBinding SitesMitoxantroneKineticsAmino Acid SequenceDNA, NeoplasmNorfloxacinHeLa CellsCell NucleusNaphthyridinesDrug Resistance, NeoplasmDNA, CircularRecQ HelicasesNucleic Acid Synthesis InhibitorsLeukemia L1210MitosisLeishmania donovaniCell LineCell SurvivalAntibiotics, AntineoplasticDNA RepairCell Line, TumorCloning, MolecularNaphthoquinonesCiprofloxacinCoumarinsVaccinia virusDistamycinsProtein BindingModels, MolecularElectrophoresis, Agar GelStructure-Activity RelationshipAcridinesRecombinant ProteinsHL-60 CellsDNA HelicasesAdenosine TriphosphateHydrolysisDNA, Single-Stranded4-QuinolonesAdenylyl ImidodiphosphateChromosomesDiminazenePiperazinesApoptosisChromatin