CysteineRNA Ligase (ATP)Ubiquitin-Protein LigasesCysteine EndopeptidasesDNA LigasesCysteine ProteasesPolynucleotide LigasesCysteine DioxygenaseAmino Acid SequenceMolecular Sequence DataUbiquitinationCysteine Proteinase InhibitorsCysteine SynthaseUbiquitin-Protein Ligase ComplexesGlutamate-Cysteine LigaseCullin ProteinsUbiquitinLigasesDisulfidesProtein Structure, TertiaryMutationProtein BindingLigase Chain ReactionSKP Cullin F-Box Protein LigasesSulfhydryl CompoundsUbiquitin-Conjugating EnzymesF-Box ProteinsMutagenesis, Site-DirectedSequence Homology, Amino AcidBase SequenceBinding SitesRING Finger DomainsSubstrate SpecificityCystineProteasome Endopeptidase ComplexModels, MolecularEscherichia coliCathepsinsRecombinant ProteinsKineticsCell LineGlutathioneProteolysisOxidation-ReductionCystatinsUbiquitinsProtein ConformationCloning, MolecularCathepsin LSequence AlignmentProtein Processing, Post-TranslationalPapainSulfhydryl ReagentsS-Phase Kinase-Associated ProteinsCathepsin BCoenzyme A LigasesCatalysisAmino Acid SubstitutionPolyubiquitinHeLa CellsHEK293 CellsCarbon-Sulfur LyasesStructure-Activity RelationshipCarrier ProteinsAnaphase-Promoting Complex-Cyclosomebeta-Transducin Repeat-Containing ProteinsEthylmaleimideCatalytic DomainProto-Oncogene Proteins c-cblDithiothreitolElectrophoresis, Polyacrylamide GelSerine O-AcetyltransferaseSaccharomyces cerevisiaeSulfurDNA-Binding ProteinsProtein Inhibitors of Activated STATMesylatesSaccharomyces cerevisiae ProteinsDithionitrobenzoic AcidEndopeptidasesDNA RepairBacterial ProteinsProtein StabilityNuclear ProteinsTransfectionProtein Structure, SecondaryConserved SequenceCell Cycle ProteinsAmino AcidsSumoylationCrystallography, X-RayDNARecombinant Fusion ProteinsPolynucleotide 5'-Hydroxyl-KinaseIodoacetamideSUMO-1 ProteinMethionineDipeptidesSignal TransductionTwo-Hybrid System Techniques