Cell CycleCell Cycle ProteinsCell DivisionGenes, cdcDNA DamageMitosisG2 PhaseCheckpoint Kinase 2Protein-Serine-Threonine KinasesCell Cycle CheckpointsS PhaseProtein KinasesDNA ReplicationSpindle ApparatusAtaxia Telangiectasia Mutated Proteinscdc25 PhosphatasesG1 PhaseHydroxyureaMutationSchizosaccharomycesDNA RepairSaccharomyces cerevisiaeDNA-Binding ProteinsCDC2 Protein KinaseNuclear ProteinsSaccharomyces cerevisiae ProteinsG2 Phase Cell Cycle CheckpointsFungal ProteinsSchizosaccharomyces pombe ProteinsM Phase Cell Cycle CheckpointsCyclinsPhosphorylationTumor Suppressor Protein p53Genes, FungalTumor Suppressor ProteinsMolecular Sequence DataGamma RaysCyclin BMad2 ProteinsModels, BiologicalCyclin B1ApoptosisUltraviolet RaysChromosomal InstabilityRadiation, IonizingAtaxia TelangiectasiaCyclin-Dependent KinasesHeLa CellsDNA, FungalCyclin-Dependent Kinase Inhibitor p21Base SequenceCell NucleusSignal TransductionCell LineAmino Acid SequenceCell Line, TumorCyclin-Dependent Kinase 2Retinoblastoma ProteinPhenotypeIntracellular Signaling Peptides and ProteinsRadiation ToleranceFlow CytometryGenomic InstabilityDNAFibroblastsCentrosomeCyclin ACell ProliferationG1 Phase Cell Cycle CheckpointsHistonesTime FactorsCdc20 ProteinsProtein BindingInterphaseUbiquitin-Protein Ligase ComplexesCells, CulturedCell Nucleus DivisionAnaphase-Promoting Complex-CyclosomeNocodazoleCaulobacter crescentusChromosome SegregationGene DeletionS Phase Cell Cycle CheckpointsCDC2-CDC28 KinasesDNA Breaks, Double-StrandedRepressor ProteinsAsymmetric Cell DivisionChromatinAllelesTumor Cells, CulturedAneuploidyChromosomesRNA, Small InterferingCarrier ProteinsCell SurvivalSequence Homology, Amino AcidCyclin-Dependent Kinase Inhibitor p27Menstrual CycleTranscription, GeneticGene Expression Regulation