DNA Breaks, Double-StrandedDNA RepairDNA DamageDNA Mutational AnalysisAntigens, NuclearDNA-Activated Protein KinaseAtaxia Telangiectasia Mutated ProteinsDNA-Binding ProteinsDNARadiation, IonizingDNA End-Joining RepairRecombination, GeneticGamma RaysCell Cycle ProteinsZinostatinRad51 RecombinaseHistonesNuclear ProteinsComet AssayProtein-Serine-Threonine KinasesTumor Suppressor ProteinsRadiation ToleranceMutationDNA LigasesGenomic InstabilityDose-Response Relationship, RadiationMolecular Sequence DataDNA Repair EnzymesGlycolatesDNA HelicasesBase SequenceCell LineDNA Breaks, Single-StrandedDNA, Single-StrandedDNA ReplicationAtaxia TelangiectasiaPoly(ADP-ribose) PolymerasesChromatinCell CycleLinear Energy TransferPhosphorylationProtein BindingSaccharomyces cerevisiae ProteinsChromosome BreakagePlasmidsMutagensX-RaysCell Line, TumorTelomereEndodeoxyribonucleasesExodeoxyribonucleasesCell SurvivalSaccharomyces cerevisiaeHeLa CellsAmino Acid SequenceMeiosisRecQ HelicasesChromosomal InstabilityVDJ RecombinasesProtein Structure, TertiaryCell NucleusBleomycinCricetinaeCheckpoint Kinase 2FibroblastsNucleic Acid ConformationUltraviolet RaysDNA BreaksTumor Suppressor Protein p53CHO CellsDeoxyribonucleases, Type II Site-SpecificKinetics5' Untranslated RegionsDNA, NeoplasmS PhaseCricetulusChromosomal Proteins, Non-HistoneModels, GeneticIntracellular Signaling Peptides and ProteinsFicusinCells, CulturedApoptosisBinding SitesHomologous RecombinationEndonucleasesEscherichia coliBlotting, WesternModels, MolecularMutagenesis, Site-DirectedModels, BiologicalTime FactorsMeiotic Prophase ISignal TransductionRNA, Small InterferingDNA, FungalDNA Topoisomerases, Type IIMutagenesisPhleomycinsFluorescent Antibody TechniqueMethyl Methanesulfonate