Embryo, NonmammalianCell CycleSpindle ApparatusCell DivisionEmbryonic DevelopmentMitosisCell Cycle ProteinsCell Cycle CheckpointsMenstrual CycleG1 PhaseMolecular Sequence DataS PhaseCyclinsApoptosisAmino Acid SequenceBase SequenceEstrous CycleCell LineCell ProliferationCyclin-Dependent Kinase Inhibitor p21DNA CleavageCyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinG2 PhaseG2 Phase Cell Cycle CheckpointsCell Line, TumorMutationCitric Acid CyclePhosphorylationCDC2 Protein KinaseG0 PhaseTumor Suppressor Protein p53Protein-Serine-Threonine KinasesDNA ReplicationDNA-Binding ProteinsDNACleavage Stage, OvumDNA DamageG1 Phase Cell Cycle CheckpointsCyclin-Dependent Kinase 2Time FactorsHeLa CellsSignal TransductionRNA, MessengerCells, CulturedCyclin D1Nuclear ProteinsKineticsCyclin ECell NucleusFlow CytometryModels, BiologicalGenes, cdcInterphaseCyclin ATumor Cells, CulturedProtein BindingCyclin BTranscription, GeneticTranscription FactorsSaccharomyces cerevisiaeCyclin-Dependent Kinase 4Binding SitesBlotting, WesternTumor Suppressor ProteinsSubstrate SpecificityProtein Processing, Post-TranslationalCDC2-CDC28 KinasesGene Expression Regulationcdc25 PhosphatasesRNA CleavageHydrolysisTransfectionCell SurvivalE2F Transcription FactorsSaccharomyces cerevisiae ProteinsLife Cycle StagesCell DifferentiationCyclin B1Recombinant ProteinsEndopeptidasesCaspasesRecombinant Fusion ProteinsAntineoplastic AgentsCyclin DBromodeoxyuridineEnzyme ActivationFibroblastsProtein Structure, TertiaryE2F1 Transcription FactorFungal ProteinsEnzyme InhibitorsProtein KinasesDown-RegulationCarrier ProteinsCaspase 3Sequence Homology, Amino AcidRNA, Small InterferingS Phase Cell Cycle CheckpointsHistones