Checkpoint Kinase 2Cell Cycle ProteinsDNA DamageProtein-Serine-Threonine KinasesGenes, cdcProtein KinasesMad2 ProteinsRad52 DNA Repair and Recombination ProteinSaccharomyces cerevisiae ProteinsMitosisKinetochoresPhosphorylationSchizosaccharomyces pombe ProteinsM Phase Cell Cycle CheckpointsDNA RepairSpindle ApparatusDNA-Binding ProteinsCell CycleNuclear ProteinsSchizosaccharomycesSaccharomyces cerevisiaeAtaxia Telangiectasia Mutated ProteinsRad51 RecombinaseG2 PhaseCdc20 ProteinsMutationDNA ReplicationFungal ProteinsCell Cycle CheckpointsMolecular Sequence DataProtein BindingS PhaseIntracellular Signaling Peptides and ProteinsDNA Repair EnzymesAmino Acid SequenceSerineDNA Breaks, Double-StrandedNocodazoleRecombination, GeneticDNA, FungalPhosphoproteinsHeLa CellsChromosome SegregationHydroxyureaCell LineEnzyme ActivationCalcium-Binding ProteinsMetaphaseDNA HelicasesRecombinational DNA RepairMeiosisTyrosineSignal TransductionCDC2 Protein KinasePrometaphasePhosphoserineUbiquitin-Protein Ligase ComplexesG2 Phase Cell Cycle CheckpointsAnaphase-Promoting Complex-CyclosomeAnaphaseTumor Suppressor ProteinsProtein-Tyrosine KinasesUltraviolet RaysCell Line, TumorThreonineCarrier ProteinsRepressor ProteinsModels, BiologicalProtein Structure, TertiaryRNA, Small InterferingAurora KinasesGenomic InstabilityCells, CulturedCyclin BMethyl MethanesulfonateRadiation, IonizingDNAEndonucleasesOxidative PhosphorylationBlotting, WesternChromosomal Proteins, Non-HistoneS Phase Cell Cycle CheckpointsMicrotubulesHistonesG1 Phasecdc25 PhosphatasesExonucleasesTumor Suppressor Protein p53Recombinant Fusion ProteinsApoptosisCell NucleusEnzyme InhibitorsEndodeoxyribonucleasesImmunoblottingAdaptor Proteins, Signal TransducingChromosomal InstabilityTransfectionGamma RaysReplication Protein ASequence Homology, Amino Acid