Cell CycleDNA RepairCell Cycle ProteinsDNA Repair EnzymesDNA DamageCell Cycle CheckpointsDNA-Binding ProteinsUltraviolet RaysG1 PhaseS PhaseMitosisDNA ReplicationMutationDNACell DivisionNuclear ProteinsG2 PhaseCyclinsDNA Breaks, Double-StrandedApoptosisMolecular Sequence DataCell LineTumor Suppressor Protein p53Cell Line, TumorDNA GlycosylasesProtein-Serine-Threonine KinasesCell ProliferationRecombinational DNA RepairCyclin-Dependent Kinase Inhibitor p21Menstrual CycleSaccharomyces cerevisiaeDNA HelicasesBase SequenceTumor Suppressor ProteinsG2 Phase Cell Cycle CheckpointsSaccharomyces cerevisiae ProteinsRad52 DNA Repair and Recombination ProteinHeLa CellsDNA Mismatch RepairRecombination, GeneticDNA-(Apurinic or Apyrimidinic Site) LyasePhosphorylationXeroderma PigmentosumRad51 RecombinaseRetinoblastoma ProteinTime FactorsCyclin-Dependent Kinase Inhibitor p27Gamma RaysCell NucleusCells, CulturedEndonucleasesCell SurvivalRadiation ToleranceAmino Acid SequenceGenes, cdcXeroderma Pigmentosum Group D ProteinTranscription FactorsDNA End-Joining RepairXeroderma Pigmentosum Group A ProteinMethyl MethanesulfonateSignal TransductionHistonesGenomic InstabilityEndodeoxyribonucleasesTranscription, GeneticG0 PhaseModels, BiologicalFibroblastsProliferating Cell Nuclear AntigenCDC2 Protein KinaseAtaxia Telangiectasia Mutated ProteinsPyrimidine DimersComet AssayG1 Phase Cell Cycle CheckpointsProtein BindingO(6)-Methylguanine-DNA MethyltransferasePoly(ADP-ribose) PolymerasesCyclin-Dependent Kinase 2Flow CytometryTumor Cells, CulturedCyclin D1Radiation, IonizingFungal ProteinsGene Expression RegulationInterphaseRNA, MessengerAntigens, NuclearDose-Response Relationship, RadiationMutagensN-Glycosyl HydrolasesCyclin EBlotting, WesternCyclin BCyclin ADNA LigasesChromatinHydroxyureaSchizosaccharomycesAntineoplastic AgentsBase Pair Mismatch