Protein BindingProtein Interaction MappingProteasome Endopeptidase ComplexTwo-Hybrid System TechniquesMolecular Sequence DataProteolysisAmino Acid SequenceProtein Structure, TertiaryUbiquitinBinding SitesModels, MolecularCell LineTranscription FactorsProtein ConformationBase SequenceUbiquitin-Protein LigasesUbiquitinsUbiquitinationCysteine EndopeptidasesMuscle ProteinsMethylhistidinesMultienzyme ComplexesEndoplasmic Reticulum-Associated DegradationProteinsProteasome InhibitorsPeptide HydrolasesLeupeptinsSKP Cullin F-Box Protein LigasesAutophagyMuscular AtrophyLeucineCysteine Proteinase InhibitorsF-Box ProteinsBiodegradation, EnvironmentalEndoplasmic ReticulumProtein Processing, Post-TranslationalEndopeptidase ClpEndopeptidasesLysosomesMutationProtein StabilityProtease InhibitorsHydrolysisAmino AcidsUbiquitin-Conjugating EnzymesPolyubiquitinSignal TransductionKineticsLigasesSaccharomyces cerevisiaeAdenosine TriphosphatasesCells, CulturedUbiquitinated ProteinsCullin ProteinsRNA, MessengerATP-Dependent ProteasesProtein TransportModels, BiologicalSaccharomyces cerevisiae ProteinsProtein BiosynthesisCalpainMolecular ChaperonesCell Cycle ProteinsMuscle, SkeletalUbiquitin-Protein Ligase ComplexesTime FactorsCycloheximidePhosphorylationCachexiaGene Expression RegulationBlotting, WesternProtein FoldingCarrier ProteinsProtein Degradation End ProductsCell Line, TumorSubstrate SpecificityHeLa CellsProtease LaDown-RegulationCathepsinsProtein Synthesis InhibitorsRNA InterferenceHEK293 CellsFungal ProteinsMembrane ProteinsImmunoblottingImmunoprecipitationMusclesHalf-LifeRecombinant Fusion ProteinsChloroquineHSP90 Heat-Shock ProteinsLiverUbiquitin-Activating EnzymesValeratesNuclear ProteinsMyofibrilsFibroblastsNitrogenUbiquitin Thiolesterase