Cell CycleGenes, cdcCell Cycle ProteinsG2 PhaseDNA DamageCheckpoint Kinase 2Cell Cycle CheckpointsMitosisProtein-Serine-Threonine KinasesS PhaseG1 PhaseMutationAtaxia Telangiectasia Mutated ProteinsProtein KinasesDNA-Binding ProteinsCyclinsDNA RepairG2 Phase Cell Cycle CheckpointsNuclear ProteinsTumor Suppressor Protein p53DNA ReplicationHydroxyureaSpindle ApparatusM Phase Cell Cycle Checkpointscdc25 PhosphatasesSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiaeFungal ProteinsCell DivisionCyclin-Dependent Kinase Inhibitor p21Molecular Sequence DataCDC2 Protein KinasePoint MutationTumor Suppressor ProteinsGamma RaysSchizosaccharomycesGenes, FungalBase SequencePhosphorylationMad2 ProteinsSchizosaccharomyces pombe ProteinsApoptosisCell LineMutation, MissenseCell ProliferationCell Line, TumorRetinoblastoma ProteinAtaxia TelangiectasiaCyclin BRadiation, IonizingUltraviolet RaysSignal TransductionChromosomal InstabilityCyclin ARepressor ProteinsHeLa CellsG1 Phase Cell Cycle CheckpointsGene Expression RegulationAmino Acid SequenceTranscription FactorsCyclin ETranscription, GeneticIntracellular Signaling Peptides and ProteinsModels, BiologicalRadiation ToleranceDNAGene Expression ProfilingPhenotypeGenomic InstabilityRNA, MessengerCyclin B1Gene Expression Regulation, NeoplasticProtein BindingHistonesCyclin-Dependent KinasesPromoter Regions, GeneticCyclin D1Tumor Cells, CulturedCells, CulturedS Phase Cell Cycle CheckpointsGene DeletionDNA, FungalFibroblastsCyclin-Dependent Kinase 2NocodazoleFlow CytometryOligonucleotide Array Sequence AnalysisE2F Transcription FactorsCyclin B2Genes, p53Cell NucleusTime FactorsDNA Breaks, Double-StrandedAllelesCyclin-Dependent Kinase Inhibitor p27DNA PrimersBRCA1 ProteinCDC28 Protein Kinase, S cerevisiaeCell SurvivalCDC2-CDC28 Kinases