DNA DamageDNA RepairDNA Breaks, Double-StrandedLead RadioisotopesUltraviolet RaysComet AssayAtaxia Telangiectasia Mutated ProteinsRadiation ToleranceDNA Repair EnzymesRad51 RecombinaseCell Cycle ProteinsDNA-Binding ProteinsBRCA1 ProteinDNA End-Joining RepairHistonesRecombinational DNA RepairCell CycleRadiation, IonizingGamma RaysGenomic InstabilityDNA GlycosylasesNuclear ProteinsCheckpoint Kinase 2Tumor Suppressor ProteinsProtein-Serine-Threonine KinasesLinear Energy TransferCell Line, TumorDose-Response Relationship, RadiationTumor Suppressor Protein p53MutationDNA-Activated Protein KinaseAging, PrematureDNAOxidative StressAntigens, NuclearApoptosisG2 PhaseCell SurvivalFanconi Anemia Complementation Group A ProteinX-RaysSaccharomyces cerevisiae ProteinsDNA ReplicationBRCA2 ProteinPoly(ADP-ribose) PolymerasesHeLa CellsDNA HelicasesRecombination, GeneticRadiation-Sensitizing AgentsChromatinPhosphorylationCell LineSignal TransductionSaccharomyces cerevisiaeMitomycinFanconi Anemia Complementation Group D2 ProteinFibroblastsMolecular Sequence DataExodeoxyribonucleasesCell NucleusChromatin Assembly and DisassemblyRNA, Small InterferingDeoxyguanosineUbiquitinationProtein BindingNeoplasmsChromosomal Proteins, Non-HistoneS PhaseModels, BiologicalProliferating Cell Nuclear AntigenRNA InterferenceMitosisCells, CulturedBase SequenceHydrogen PeroxideIntracellular Signaling Peptides and ProteinsSchizosaccharomyces pombe ProteinsCell ProliferationAcetylationProtein KinasesMethyl MethanesulfonateSchizosaccharomycesMultiprotein ComplexesGene Expression Regulation, NeoplasticAntineoplastic AgentsCell Cycle CheckpointsDNA Mismatch RepairMutagensHomologous RecombinationUbiquitinTelomereHEK293 CellsBlotting, WesternProtein Structure, TertiaryMice, KnockoutGene Knockdown TechniquesAmino Acid SequenceTranscription, GeneticTranscription FactorsUbiquitin-Protein LigasesGenes, BRCA1