Cell CycleCell Cycle ProteinsGenes, cdcCheckpoint Kinase 2DNA DamageAtaxiaG2 PhaseCell Cycle CheckpointsAtaxia Telangiectasia Mutated ProteinsMitosisCerebellar AtaxiaProtein-Serine-Threonine KinasesS PhaseProtein KinasesDNA RepairAtaxia TelangiectasiaHydroxyureaG2 Phase Cell Cycle CheckpointsFriedreich AtaxiaSpindle ApparatusM Phase Cell Cycle CheckpointsDNA-Binding ProteinsG1 PhaseNuclear ProteinsDNA ReplicationGamma RaysTumor Suppressor Protein p53Tumor Suppressor ProteinsMad2 ProteinsSpinocerebellar AtaxiasSchizosaccharomycesSaccharomyces cerevisiae ProteinsMutationFungal ProteinsSchizosaccharomyces pombe ProteinsSaccharomyces cerevisiaeRadiation, Ionizingcdc25 PhosphatasesChromosomal InstabilityPhosphorylationUltraviolet RaysCyclin-Dependent Kinase Inhibitor p21CyclinsCDC2 Protein KinaseGenes, FungalCyclin BRadiation ToleranceGait AtaxiaCell DivisionIntracellular Signaling Peptides and ProteinsApoptosisGenomic InstabilityG1 Phase Cell Cycle CheckpointsMolecular Sequence DataCyclin B1DNA, FungalS Phase Cell Cycle CheckpointsCell LineCell Line, TumorDNA Breaks, Double-StrandedSignal TransductionNocodazoleHeLa CellsFibroblastsGene DeletionRetinoblastoma ProteinBase SequenceAneuploidyRepressor ProteinsBRCA1 ProteinModels, BiologicalHistonesFlow CytometryCDC28 Protein Kinase, S cerevisiaePhenotypeCyclin-Dependent Kinase 2Chromosomes, FungalGenes, p53DNAKinetochoresCell NucleusTumor Cells, CulturedCell ProliferationNeoplasm ProteinsDNA Repair EnzymesCyclin ECell SurvivalMimosineMethyl MethanesulfonateCells, CulturedCDC2-CDC28 KinasesRNA, Small InterferingAllelesAmino Acid SequenceCaffeineGene Expression Regulation, NeoplasticCyclin-Dependent KinasesCalcium-Binding ProteinsProtein BindingAphidicolin