S PhaseProteasome Endopeptidase ComplexProteolysisUbiquitinProtein-Serine-Threonine KinasesPhosphatidylinositol 3-KinasesProtein KinasesMAP Kinase Signaling SystemCell CycleUbiquitin-Protein LigasesProtein Kinase InhibitorsCell Cycle ProteinsCalcium-Calmodulin-Dependent Protein KinasesUbiquitinationUbiquitinsMolecular Sequence DataPhosphorylationCysteine EndopeptidasesCell Linesrc-Family KinasesProteinsMultienzyme ComplexesMutationCyclin-Dependent KinasesAmino Acid SequenceSignal TransductionMuscle ProteinsProtein BindingKineticsProtein Kinase Cp38 Mitogen-Activated Protein KinasesCyclic AMP-Dependent Protein KinasesCDC2 Protein KinaseMethylhistidinesG1 PhaseMitogen-Activated Protein Kinase 1Cells, CulturedProteasome InhibitorsEndoplasmic Reticulum-Associated DegradationLeupeptinsRNA, MessengerSaccharomyces cerevisiaeSKP Cullin F-Box Protein LigasesPeptide HydrolasesBlotting, WesternProtein-Tyrosine KinasesJNK Mitogen-Activated Protein KinasesMitogen-Activated Protein Kinase KinasesProtein Processing, Post-TranslationalSaccharomyces cerevisiae ProteinsCell Line, TumorCDC2-CDC28 KinasesHeLa Cellsp21-Activated KinasesMitogen-Activated Protein Kinase 3Protein Structure, TertiaryModels, BiologicalBase SequenceTime FactorsDNA-Binding ProteinsDNA ReplicationAutophagyNuclear ProteinsSubstrate SpecificityApoptosisF-Box ProteinsCell DivisionGene Expression RegulationMAP Kinase Kinase KinasesCyclin-Dependent Kinase 2Recombinant Fusion ProteinsCarrier ProteinsCreatine KinaseCasein Kinase IICell NucleusGlycogen Synthase Kinase 3Protein TransportMuscular AtrophyCysteine Proteinase InhibitorsProto-Oncogene ProteinsMitosiseIF-2 KinaseRecombinant ProteinsEnzyme ActivationLeucineFibroblastsImmunoblottingProtein StabilityCasein KinasesTransfectionEndoplasmic ReticulumTranscription FactorsRibosomal Protein S6 KinasesExtracellular Signal-Regulated MAP KinasesDown-RegulationPyruvate KinaseMitogen-Activated Protein KinasesI-kappa B KinaseThymidine KinaseTranscription, Genetic