Cell CycleM Phase Cell Cycle CheckpointsG2 Phase Cell Cycle CheckpointsCell Cycle ProteinsG2 PhaseCyclin-Dependent Kinase Inhibitor p27MuromegalovirusCyclin-Dependent Kinase Inhibitor p21S Phase Cell Cycle CheckpointsCyclin-Dependent KinasesCyclinsS PhaseG1 Phase Cell Cycle CheckpointsCyclin-Dependent Kinase Inhibitor p16MitosisTumor Suppressor ProteinsAllyl CompoundsCell Line, TumorApoptosisCell Cycle CheckpointsPhosphorylationCell ProliferationG1 PhaseProtein-Serine-Threonine KinasesDNA DamageCell DivisionIsothiocyanatesCheckpoint Kinase 2Cyclin-Dependent Kinase Inhibitor p15DNA-Binding ProteinsCell LineProtein KinasesHeLa CellsMolecular Sequence DataGenes, cdcCDC2 Protein KinaseProtein Kinase InhibitorsAtaxia Telangiectasia Mutated ProteinsTumor Suppressor Protein p53Microtubule-Associated ProteinsCell NucleusCells, CulturedCyclin-Dependent Kinase 2Signal Transductioncdc25 PhosphatasesFlow CytometryCyclin B1Nuclear ProteinsCyclin BViral ProteinsCyclin-Dependent Kinase 4Retinoblastoma ProteinMutationDNA ReplicationDNA RepairCDC2-CDC28 KinasesCyclin ETumor Cells, CulturedRNA, MessengerCyclin D1Enzyme InhibitorsBase SequenceComplement C1 Inactivator ProteinsGamma RaysG0 PhaseBlotting, WesternAmino Acid SequencePhosphatidylinositol 3-KinasesHydroxyureaSaccharomyces cerevisiae ProteinsSpindle ApparatusAntineoplastic AgentsCell SurvivalRadiation, IonizingAngioedemaAtaxia TelangiectasiaSaccharomyces cerevisiaeCyclin AModels, BiologicalDNARNA, Small InterferingGene Expression RegulationTransfectionTranscription FactorsProtein BindingRadiation ToleranceFibroblastsProto-Oncogene ProteinsCarrier ProteinsEnzyme ActivationProtein-Tyrosine KinasesTranscription, GeneticMAP Kinase Signaling SystemNocodazoleTime FactorsIntracellular Signaling Peptides and ProteinsSchizosaccharomycesUltraviolet RaysHistonesGenomic Instability