Cell CycleCell Cycle ProteinsProtein KinasesGenes, cdcProtein-Serine-Threonine KinasesCheckpoint Kinase 2DNA DamageG2 PhaseProtein Kinase CMitosisCell Cycle CheckpointsAtaxia Telangiectasia Mutated ProteinsPhosphorylationS PhaseMolecular Sequence DataDNA-Binding ProteinsDNA RepairMutationNuclear ProteinsSpindle ApparatusHydroxyureaG2 Phase Cell Cycle CheckpointsSaccharomyces cerevisiae ProteinsSignal TransductionAmino Acid SequenceG1 PhaseM Phase Cell Cycle CheckpointsSaccharomyces cerevisiaeDNA ReplicationCDC2 Protein KinaseBase SequenceSchizosaccharomycesTumor Suppressor Protein p53Fungal ProteinsCyclic AMP-Dependent Protein KinasesCell LineTumor Suppressor ProteinsGamma RaysSchizosaccharomyces pombe ProteinsProtein Kinase InhibitorsCalcium-Calmodulin-Dependent Protein KinasesIntracellular Signaling Peptides and ProteinsMad2 ProteinsEnzyme ActivationApoptosisMitogen-Activated Protein KinasesPhosphatidylinositol 3-KinasesMAP Kinase Signaling SystemProtein BindingCell DivisionCyclinsAtaxia TelangiectasiaUltraviolet RaysCyclin-Dependent Kinase Inhibitor p21HeLa CellsGenes, FungalRadiation, IonizingChromosomal Instabilitycdc25 Phosphatasesp38 Mitogen-Activated Protein KinasesModels, BiologicalSequence Homology, Amino AcidCells, CulturedCell Line, TumorCyclin BConserved SequenceEnzyme InhibitorsFibroblastsRadiation ToleranceTransfectionEvolution, MolecularTranscription FactorsCell NucleusGenomic InstabilityProtein Structure, TertiaryMitogen-Activated Protein Kinase 1Gene DeletionDNATumor Cells, CulturedCyclin-Dependent KinasesBlotting, WesternRepressor ProteinsCarrier ProteinsPhenotypeRNA, MessengerMitogen-Activated Protein Kinase KinasesGene Expression RegulationDNA, FungalG1 Phase Cell Cycle CheckpointsProtein-Tyrosine KinasesProtein Kinase C-alphaKineticsTranscription, GeneticHistonesCell ProliferationCyclin B1NocodazoleMitogen-Activated Protein Kinase 3Proto-Oncogene ProteinsRecombinant Fusion Proteins