Cell CycleCell Cycle ProteinsProtein KinasesGenes, cdcProtein-Serine-Threonine KinasesCheckpoint Kinase 2DNA DamageG2 PhaseProtein Kinase CCell Cycle CheckpointsMitosisAtaxia Telangiectasia Mutated ProteinsPhosphorylationS PhaseDNA RepairDNA-Binding ProteinsMolecular Sequence DataNuclear ProteinsSpindle ApparatusMutationHydroxyureaG2 Phase Cell Cycle CheckpointsG1 PhaseM Phase Cell Cycle CheckpointsSaccharomyces cerevisiae ProteinsSignal TransductionCDC2 Protein KinaseCyclic AMP-Dependent Protein KinasesTumor Suppressor Protein p53DNA ReplicationSaccharomyces cerevisiaeFungal ProteinsSchizosaccharomycesGamma RaysTumor Suppressor ProteinsAmino Acid SequenceProtein Kinase InhibitorsSchizosaccharomyces pombe ProteinsCalcium-Calmodulin-Dependent Protein KinasesCell LineMad2 ProteinsIntracellular Signaling Peptides and ProteinsEnzyme ActivationApoptosisBase SequenceMitogen-Activated Protein KinasesPhosphatidylinositol 3-KinasesProtein BindingCell DivisionCyclinsMAP Kinase Signaling SystemAtaxia TelangiectasiaCyclin-Dependent Kinase Inhibitor p21Radiation, Ionizingcdc25 PhosphatasesUltraviolet RaysChromosomal InstabilityGenes, Fungalp38 Mitogen-Activated Protein KinasesCell Line, TumorHeLa CellsCyclin BCells, CulturedModels, BiologicalEnzyme InhibitorsRadiation ToleranceMitogen-Activated Protein Kinase 1FibroblastsGenomic InstabilityTumor Cells, CulturedCyclin-Dependent KinasesBlotting, WesternCell NucleusTransfectionProtein Structure, TertiaryGene DeletionSequence Homology, Amino AcidProtein-Tyrosine KinasesMitogen-Activated Protein Kinase KinasesG1 Phase Cell Cycle CheckpointsProtein Kinase C-alphaCarrier ProteinsDNA, FungalRepressor ProteinsCyclin B1Mitogen-Activated Protein Kinase 3Protein Kinase C-deltaProto-Oncogene ProteinsDNACell ProliferationCyclin-Dependent Kinase 2KineticsJNK Mitogen-Activated Protein KinasesRecombinant Fusion ProteinsNocodazolePhenotypeTranscription FactorsCDC2-CDC28 KinasesProteinsRNA, Small Interfering