DNA ReplicationCell CycleCell Cycle ProteinsS PhaseCell Cycle CheckpointsCell LineMolecular Sequence DataG1 PhaseDNA-Binding ProteinsBase SequenceReplication Protein AMitosisMutationCell DivisionDNA, ViralCyclinsViral ProteinsDNA DamageHeLa CellsRNA, ViralPlasmidsG2 PhaseDNA Replication TimingTranscription, GeneticDNAAmino Acid SequenceNuclear ProteinsApoptosisRepliconMenstrual CycleProtein-Serine-Threonine KinasesCells, CulturedCell NucleusSaccharomyces cerevisiaeCell Line, TumorCell ProliferationDNA HelicasesCyclin-Dependent Kinase Inhibitor p21Replication Protein CRetinoblastoma ProteinPhosphorylationProtein BindingCyclin-Dependent Kinase Inhibitor p27Saccharomyces cerevisiae ProteinsHydroxyureaG2 Phase Cell Cycle CheckpointsProliferating Cell Nuclear AntigenCDC2 Protein KinaseGenome, ViralTime FactorsCyclin-Dependent Kinase 2Gene Expression Regulation, ViralTumor Suppressor Protein p53Escherichia coliDNA RepairTranscription FactorsHIV-1Flow CytometryGenes, cdcG0 PhaseInterphaseModels, BiologicalRNA, MessengerCyclin EG1 Phase Cell Cycle CheckpointsSignal TransductionTumor Cells, CulturedTransfectionCyclin BCyclin AChromatinDNA-Directed DNA PolymeraseBromodeoxyuridineCyclin D1KineticsTumor Suppressor ProteinsSchizosaccharomycesGene Expression RegulationAphidicolinOrigin Recognition ComplexRecombination, GeneticS Phase Cell Cycle CheckpointsDNA, FungalCDC2-CDC28 KinasesHistonesPromoter Regions, GeneticFibroblastsViral Nonstructural ProteinsDNA PrimersBlotting, WesternCyclin-Dependent Kinase 4Protein KinasesBinding SitesDNA, BacterialRNA, Small Interferingcdc25 PhosphatasesFungal ProteinsChromosomes, BacterialDNA, Single-StrandedCell Survival