Cell CyclePhosphorylationCell Cycle ProteinsSignal TransductionGenes, cdcCheckpoint Kinase 2DNA DamageG2 PhaseProtein-Serine-Threonine KinasesCell Cycle CheckpointsMitosisProtein KinasesAtaxia Telangiectasia Mutated ProteinsS PhaseDNA RepairSpindle ApparatusHydroxyureaG2 Phase Cell Cycle CheckpointsDNA-Binding ProteinsM Phase Cell Cycle CheckpointsNuclear ProteinsG1 PhaseMutationTumor Suppressor Protein p53DNA ReplicationGamma RaysSaccharomyces cerevisiae ProteinsTumor Suppressor ProteinsSchizosaccharomycesMad2 ProteinsFungal ProteinsSchizosaccharomyces pombe ProteinsMolecular Sequence DataSaccharomyces cerevisiaeCDC2 Protein KinaseCell Linecdc25 PhosphatasesAtaxia TelangiectasiaRadiation, IonizingIntracellular Signaling Peptides and ProteinsCyclinsChromosomal InstabilityUltraviolet RaysCyclin-Dependent Kinase Inhibitor p21ApoptosisCyclin BSerineCell DivisionGenes, FungalCell Line, TumorAmino Acid SequenceRadiation ToleranceHeLa CellsEnzyme ActivationGenomic InstabilityCells, CulturedG1 Phase Cell Cycle CheckpointsFibroblastsModels, BiologicalProtein BindingCyclin B1PhosphoproteinsBase SequenceNocodazoleDNA, FungalRetinoblastoma ProteinS Phase Cell Cycle CheckpointsCell NucleusDNA Breaks, Double-StrandedTumor Cells, CulturedHistonesGene DeletionEnzyme InhibitorsProtein-Tyrosine KinasesCyclin-Dependent Kinase 2Repressor ProteinsCell ProliferationBlotting, WesternTyrosineFlow CytometryTransfectionThreonineCDC28 Protein Kinase, S cerevisiaeRNA, Small InterferingAneuploidyBRCA1 ProteinDNACyclin-Dependent KinasesCell SurvivalProto-Oncogene ProteinsNeoplasm ProteinsCarrier ProteinsPhenotypeTime FactorsPhosphoserineChromosomes, FungalCalcium-Binding ProteinsKinetochoresGenes, p5314-3-3 Proteins