Cell CycleCell Cycle ProteinsCheckpoint Kinase 2DNA DamageCell Cycle CheckpointsG2 PhaseGenes, cdcAtaxia Telangiectasia Mutated ProteinsProtein-Serine-Threonine KinasesS PhaseMitosisG2 Phase Cell Cycle CheckpointsDNA RepairG1 PhaseProtein KinasesTumor Suppressor Protein p53DNA-Binding ProteinsTumor Suppressor ProteinsGamma RaysDNA ReplicationNuclear ProteinsM Phase Cell Cycle CheckpointsAtaxia TelangiectasiaRadiation, Ionizingcdc25 PhosphatasesPhosphorylationHydroxyureaCyclinsCyclin-Dependent Kinase Inhibitor p21Spindle ApparatusCDC2 Protein KinaseSaccharomyces cerevisiae ProteinsCyclin BRadiation ToleranceRad52 DNA Repair and Recombination ProteinMutationGenomic InstabilityCell DivisionSaccharomyces cerevisiaeApoptosisSchizosaccharomycesUltraviolet RaysG1 Phase Cell Cycle CheckpointsSchizosaccharomyces pombe ProteinsDNA Breaks, Double-StrandedCyclin B1S Phase Cell Cycle CheckpointsCell Line, TumorCell LineFungal ProteinsDNA Repair EnzymesNocodazoleSignal TransductionHeLa CellsChromosomal InstabilityRetinoblastoma ProteinFibroblastsBRCA1 ProteinMolecular Sequence DataModels, BiologicalMethyl MethanesulfonateFlow CytometryHistonesCyclin-Dependent Kinase 2DNAGenes, p53Cell NucleusKinetochoresIntracellular Signaling Peptides and ProteinsCell ProliferationTumor Cells, CulturedCell SurvivalCyclin EDNA, FungalProtein BindingAmino Acid SequenceMimosineRecombination, GeneticRNA, Small InterferingCDC2-CDC28 KinasesCells, CulturedCyclin-Dependent KinasesDose-Response Relationship, RadiationCaffeineNucleic Acid Synthesis InhibitorsAphidicolinCyclin AExonucleasesCentrosomePolyploidyBase SequenceMetaphaseCyclin-Dependent Kinase Inhibitor p27Replication Protein AThioguanineHCT116 CellsGenes, FungalBlastulaTime FactorsCyclin D1