Cell CycleCell Cycle ProteinsS PhaseCell Cycle CheckpointsMolecular Sequence DataCell LineBase SequenceG1 PhaseDNA-Binding ProteinsReplication Protein AMutationMitosisCell DivisionDNA, ViralPlasmidsViral ProteinsCyclinsDNA Replication TimingReplication OriginHeLa CellsRNA, ViralDNA DamageG2 PhaseAmino Acid SequenceDNATranscription, GeneticRepliconNuclear ProteinsCells, CulturedSaccharomyces cerevisiaeCell NucleusApoptosisProtein-Serine-Threonine KinasesDNA HelicasesMenstrual CycleOrigin Recognition ComplexCell Line, TumorCell ProliferationCyclin-Dependent Kinase Inhibitor p21Protein BindingRetinoblastoma ProteinDNA ReplicationReplication Protein CPhosphorylationSaccharomyces cerevisiae ProteinsHydroxyureaCyclin-Dependent Kinase Inhibitor p27Escherichia coliTime FactorsG2 Phase Cell Cycle CheckpointsProliferating Cell Nuclear AntigenGenome, ViralCDC2 Protein KinaseTranscription FactorsCyclin-Dependent Kinase 2Models, BiologicalGene Expression Regulation, ViralFlow CytometryTumor Suppressor Protein p53DNA RepairHIV-1Genes, cdcRNA, MessengerG0 PhaseInterphaseTumor Cells, CulturedSignal TransductionTransfectionCyclin EChromatinKineticsG1 Phase Cell Cycle CheckpointsRecombination, GeneticCyclin BDNA, FungalCyclin ADNA-Directed DNA PolymeraseBromodeoxyuridineSchizosaccharomycesGene Expression RegulationTumor Suppressor ProteinsAphidicolinCyclin D1DNA, BacterialDNA PrimersPromoter Regions, GeneticS Phase Cell Cycle CheckpointsBinding SitesHistonesChromosomes, BacterialBacterial ProteinsCloning, MolecularCDC2-CDC28 KinasesBlotting, WesternViral Nonstructural ProteinsFibroblastsProtein KinasesDNA, Single-StrandedNucleic Acid ConformationFungal Proteins