Checkpoint Kinase 2Protein-Serine-Threonine KinasesProtein KinasesMolecular Sequence DataCell Cycle ProteinsDNA DamageAmino Acid SequenceSequence Homology, Amino AcidrhoA GTP-Binding ProteinAtaxia Telangiectasia Mutated ProteinsCloning, MolecularBase SequenceGenes, cdcG2 PhaseCell CycleMitosisM Phase Cell Cycle CheckpointsSignal TransductionPhosphorylationSequence AlignmentS PhaseCell Cycle CheckpointsProtein Kinase InhibitorsSequence Homology, Nucleic AcidRNA, MessengerMutationSaccharomyces cerevisiae ProteinsPhosphatidylinositol 3-Kinasescdc25 PhosphatasesDNA ReplicationDNA-Binding ProteinsHydroxyureaSchizosaccharomyces pombe ProteinsNuclear ProteinsMAP Kinase Signaling SystemSchizosaccharomycesCDC2 Protein KinaseSpindle ApparatusG2 Phase Cell Cycle CheckpointsTumor Suppressor ProteinsSaccharomyces cerevisiaeIntracellular Signaling Peptides and ProteinsCell Line, TumorDNA RepairKinetochoresS Phase Cell Cycle CheckpointsProtein BindingTumor Suppressor Protein p53Calcium-Calmodulin-Dependent Protein KinasesHeLa CellsRNA, Small InterferingApoptosisProtein-Tyrosine KinasesModels, Biologicalsrc-Family KinasesEnzyme ActivationCell LineRadiation, IonizingFungal ProteinsBlotting, WesternCyclin-Dependent KinasesNocodazoleRNA InterferenceProtein Structure, TertiaryCell DivisionMethyl MethanesulfonateG1 PhaseCdc20 Proteinsp38 Mitogen-Activated Protein KinasesProtein Kinase CDNA Breaks, Double-StrandedAurora KinasesCell SurvivalUltraviolet RaysHistonesTransfectionGenomic InstabilityDNA, FungalCyclic AMP-Dependent Protein KinasesAntineoplastic AgentsNeoplasmsMitogen-Activated Protein Kinase 1Cyclin BEarly Detection of CancerTranscription FactorsChromosome SegregationCarrier ProteinsCell NucleusMitogen-Activated Protein Kinase KinasesJNK Mitogen-Activated Protein KinasesBreast NeoplasmsRecombinant Fusion Proteinsp21-Activated KinasesGene DeletionCell ProliferationMitogen-Activated Protein Kinase 3Gamma RaysRecombinant ProteinsProto-Oncogene ProteinsImmunoblotting