ProteolysisSubstrate SpecificityKineticsMolecular Sequence DataAmino Acid SequenceHydrolysisPeptide HydrolasesEndopeptidasesBinding SitesProtein BindingCatalysisModels, MolecularTrypsinCalpainRecombinant ProteinsEscherichia coliElectrophoresis, Polyacrylamide GelProtein ConformationProteasome Endopeptidase ComplexProtein Structure, TertiaryPeptide FragmentsCysteine EndopeptidasesMolecular WeightHydrogen-Ion ConcentrationUbiquitinsSerine EndopeptidasesMutationCatalytic DomainBase SequenceProtease InhibitorsPhosphorylationChymotrypsinSequence Homology, Amino AcidMutagenesis, Site-DirectedProtein Processing, Post-TranslationalCell LineCrystallography, X-RayStructure-Activity RelationshipBacterial ProteinsEnzyme ActivationUbiquitinCattlePeptidesAdenosine TriphosphateAmino AcidsCloning, MolecularEndopeptidase ClpProteinsOxidation-ReductionThermolysinMembrane ProteinsUbiquitin-Protein LigasesModels, BiologicalSaccharomyces cerevisiaeMetalloendopeptidasesEscherichia coli ProteinsCarrier ProteinsChromatography, High Pressure LiquidTemperatureRecombinant Fusion ProteinsSequence AlignmentOligopeptidesLigasesEnzyme StabilityCells, CulturedCysteine Proteinase InhibitorsLiverUbiquitin-Protein Ligase ComplexesChromatography, GelAdenosine TriphosphatasesCell MembraneMass SpectrometryMacromolecular SubstancesModels, ChemicalMultienzyme ComplexesCathepsinsProtein Structure, SecondaryIsoenzymesProtein FoldingMolecular StructureTime FactorsEnzyme InhibitorsSubtilisinsBlotting, WesternSignal TransductionATP-Dependent ProteasesAmino Acid SubstitutionSaccharomyces cerevisiae ProteinsDipeptidesLeupeptinsRabbitsLeucineSKP Cullin F-Box Protein LigasesEndopeptidase KAmino Acid MotifsProtein KinasesHeLa CellsAnaphase-Promoting Complex-CyclosomeBiological TransportDNA Primers