Proteasome Endopeptidase ComplexCysteine EndopeptidasesMultienzyme ComplexesProteasome InhibitorsHaloferax volcaniiUbiquitinMolecular Sequence DataAmino Acid SequenceProtein BindingThermoplasmaMultiprotein ComplexesProteinsProtein Structure, TertiaryModels, MolecularUbiquitinsSaccharomyces cerevisiae ProteinsMembrane ProteinsLeupeptinsSaccharomyces cerevisiaeCarrier ProteinsProtein Interaction MappingCell LineSequence Homology, Amino AcidProtein ConformationPeptide HydrolasesBinding SitesModels, BiologicalProtein SubunitsProtein TransportBase SequenceProtein FoldingMutationSequence AlignmentRecombinant Fusion ProteinsDNA-Binding ProteinsNuclear ProteinsCysteine Proteinase InhibitorsSignal TransductionFungal ProteinsTranscription FactorsPeptidesMacromolecular SubstancesSubstrate SpecificityMolecular WeightBacterial ProteinsCloning, MolecularRecombinant ProteinsKineticsAdaptor Protein Complex 3Ubiquitinated ProteinsAdenosine TriphosphatasesPhosphorylationBlotting, WesternTransfectionAcetylcysteineProteomeTranscription, GeneticCells, CulturedCrystallography, X-RayHeLa CellsCell MembraneEscherichia coliRNA, MessengerProtein Processing, Post-TranslationalSequence Analysis, ProteinUbiquitinationHydrolysisMass SpectrometrySodium CholateEndopeptidasesEndoplasmic ReticulumPhylogenyGene Expression RegulationImmunoprecipitationPhosphoproteinsProteolysisAdaptor Protein Complex 1Electrophoresis, Polyacrylamide GelPolyubiquitinProtease InhibitorsPlant ProteinsElectrophoresis, Gel, Two-DimensionalDystrophin-Associated Protein ComplexPrecipitin TestsTwo-Hybrid System TechniquesAdaptor Protein Complex 2Protein Interaction MapsCell NucleusAntigen PresentationSmad Proteins, InhibitoryUbiquitin-Protein LigasesMolecular ChaperonesOligopeptidesArchaeal ProteinsCytoplasmCell Cycle ProteinsProtein KinasesImmunoblottingPeptide FragmentsAdenosine Triphosphate