Cell CycleCell Cycle ProteinsProtein KinasesGenes, cdcProtein-Serine-Threonine KinasesCheckpoint Kinase 2DNA DamageG2 PhaseProtein Kinase CCell Cycle CheckpointsMitosisPhosphorylationAtaxia Telangiectasia Mutated ProteinsS PhaseCell ProliferationDNA-Binding ProteinsDNA RepairNuclear ProteinsSignal TransductionSpindle ApparatusMutationHydroxyureaG2 Phase Cell Cycle CheckpointsMolecular Sequence DataG1 PhaseM Phase Cell Cycle CheckpointsSaccharomyces cerevisiae ProteinsTumor Suppressor Protein p53DNA ReplicationCDC2 Protein KinaseCyclic AMP-Dependent Protein KinasesApoptosisTumor Suppressor ProteinsCell DivisionGamma RaysCell LineSchizosaccharomycesSaccharomyces cerevisiaeProtein Kinase InhibitorsFungal ProteinsCalcium-Calmodulin-Dependent Protein KinasesEnzyme ActivationSchizosaccharomyces pombe ProteinsCells, CulturedIntracellular Signaling Peptides and ProteinsMad2 ProteinsMitogen-Activated Protein KinasesAmino Acid SequencePhosphatidylinositol 3-KinasesCell Line, TumorBase SequenceMAP Kinase Signaling SystemCyclin-Dependent Kinase Inhibitor p21CyclinsAtaxia TelangiectasiaRadiation, Ionizingcdc25 PhosphatasesUltraviolet Raysp38 Mitogen-Activated Protein KinasesChromosomal InstabilityGenes, FungalCyclin BProtein BindingModels, BiologicalHeLa CellsFibroblastsEnzyme InhibitorsTumor Cells, CulturedMitogen-Activated Protein Kinase 1Blotting, WesternRadiation ToleranceTransfectionCyclin-Dependent KinasesCell SurvivalRNA, MessengerGenomic InstabilityG1 Phase Cell Cycle CheckpointsMitogen-Activated Protein Kinase KinasesMitogen-Activated Protein Kinase 3Cell NucleusProtein-Tyrosine KinasesGene DeletionFlow CytometryDNARNA, Small InterferingProtein Kinase C-alphaProto-Oncogene ProteinsPhenotypeGene Expression RegulationCyclin-Dependent Kinase 2Transcription FactorsCyclin B1Repressor ProteinsTime FactorsRetinoblastoma ProteinDNA, FungalProtein Kinase C-deltaJNK Mitogen-Activated Protein KinasesSequence Homology, Amino AcidCDC2-CDC28 Kinases