Proteasome Endopeptidase ComplexProteinsMolecular Sequence DataAmino Acid SequenceUbiquitinCell LineProtein BindingSignal TransductionProtein TransportCysteine EndopeptidasesIntracellular FluidUbiquitinsMultienzyme ComplexesCells, CulturedRecombinant Fusion ProteinsPhosphorylationMembrane ProteinsMutationLeupeptinsCell MembraneProteasome InhibitorsPeptide HydrolasesCarrier ProteinsLysosomesMolecular ChaperonesBase SequenceBlotting, WesternCytoplasmKineticsAutophagyIntracellular SpaceProtein Processing, Post-TranslationalElectrophoresis, Polyacrylamide GelAcetylglucosamineCloning, MolecularProtein Structure, TertiaryMicroscopy, FluorescenceSequence Homology, Amino AcidMolecular WeightPeptidesPhosphoproteinsGreen Fluorescent ProteinsGolgi ApparatusTransfectionRecombinant ProteinsLuminescent ProteinsElectrophoresis, Gel, Two-DimensionalCOS CellsAdaptor Proteins, Signal TransducingProtease InhibitorsProtein-Tyrosine KinasesRNA, MessengerBinding SitesTyrosineProteomeProteolysisInclusion BodiesModels, BiologicalApoptosisEscherichia coliNerve Tissue ProteinsGlycosylationCyclophilin AEndoplasmic ReticulumCytoskeletonPrecipitin TestsN-AcetylglucosaminyltransferasesCell CompartmentationCricetinaeGene ExpressionIntracellular Signaling Peptides and ProteinsProtein BiosynthesisMass SpectrometryProteomicsProtein FoldingCytosolSubcellular FractionsHSP70 Heat-Shock ProteinsLiverUbiquitin-Protein LigasesTumor Cells, CulturedHeat-Shock ProteinsSubstrate SpecificityEnzyme ActivationCell Line, TumorBiological TransportBiotinylationTwo-Hybrid System TechniquesHeLa CellsTime FactorsAmino AcidsBacterial ProteinsCysteine Proteinase InhibitorsLeucineCattleEndopeptidasesFibroblastsVacuolesCHO CellsMembrane Glycoproteins