Checkpoint Kinase 2Protein-Serine-Threonine KinasesProtein KinasesCell Cycle ProteinsDNA DamageAtaxia Telangiectasia Mutated ProteinsGenes, cdcG2 PhaseMitosisM Phase Cell Cycle CheckpointsCell CyclePhosphorylationS PhaseCell Cycle CheckpointsProtein Kinase Inhibitorscdc25 PhosphatasesPhosphatidylinositol 3-KinasesDNA ReplicationSaccharomyces cerevisiae ProteinsHydroxyureaDNA-Binding ProteinsSchizosaccharomyces pombe ProteinsNuclear ProteinsSpindle ApparatusMAP Kinase Signaling SystemCDC2 Protein KinaseMutationSchizosaccharomycesG2 Phase Cell Cycle CheckpointsIntracellular Signaling Peptides and ProteinsTumor Suppressor ProteinsSignal TransductionProtein BindingS Phase Cell Cycle CheckpointsMolecular Sequence DataApoptosisKinetochoresSaccharomyces cerevisiaeCell Line, TumorAmino Acid SequenceDNA RepairCalcium-Calmodulin-Dependent Protein Kinasessrc-Family KinasesHeLa CellsProtein-Tyrosine KinasesProtein Structure, TertiaryNocodazoleTumor Suppressor Protein p53Enzyme ActivationCell LineCyclin-Dependent KinasesRadiation, IonizingRNA, Small InterferingModels, Biologicalp38 Mitogen-Activated Protein KinasesCdc20 ProteinsProtein Kinase CMethyl MethanesulfonateG1 PhaseFungal ProteinsDNA Breaks, Double-StrandedAurora KinasesHistonesBlotting, WesternUltraviolet RaysRNA InterferenceCyclic AMP-Dependent Protein KinasesMitogen-Activated Protein Kinase 1Carrier ProteinsSequence Homology, Amino AcidProto-Oncogene Proteins c-bcl-2Proto-Oncogene ProteinsCyclin BTransfectionChromosome SegregationJNK Mitogen-Activated Protein KinasesDNA, FungalCell DivisionGenomic InstabilityMitogen-Activated Protein Kinase KinasesCell SurvivalBase SequencePhosphoproteinsSerineTranscription FactorsCell NucleusRecombinant Fusion Proteinsp21-Activated KinasesMitogen-Activated Protein Kinase 3ImmunoblottingStaurosporineGamma RaysProtein TransportAdaptor Proteins, Signal TransducingBinding SitesReplication Protein ARecombinant ProteinsMAP Kinase Kinase KinasesChromosomal Proteins, Non-HistoneDNA