Biodegradation, EnvironmentalPseudomonasFuel OilsXylenesCatecholsAerobiosisBenzoatesChromatography, Thin LayerBacteriaChromatography, GasOxygenasesSoil MicrobiologyProteasome Endopeptidase ComplexProteolysisUbiquitinUbiquitinationUbiquitin-Protein LigasesCysteine EndopeptidasesMolecular Sequence DataUbiquitinsMultienzyme ComplexesEndoplasmic Reticulum-Associated DegradationAmino Acid SequenceCell LineHydrolysisMutationProtein BindingKineticsProtein Processing, Post-TranslationalCells, CulturedRNA StabilityPeptide HydrolasesEndoplasmic ReticulumProteasome InhibitorsRNA, MessengerF-Box ProteinsCysteine Proteinase InhibitorsAutophagySignal TransductionProtein Structure, TertiaryPhosphorylationProtein TransportProtein StabilityHeLa CellsEndopeptidasesModels, BiologicalProtease InhibitorsBase SequenceProteinsTime FactorsSubstrate Specificitybeta-Transducin Repeat-Containing ProteinsCullin ProteinsI-kappa B ProteinsCell Line, TumorPolyubiquitinSKP Cullin F-Box Protein LigasesBlotting, WesternHEK293 CellsSaccharomyces cerevisiae ProteinsLigasesSaccharomyces cerevisiaeEndocytosisUbiquitin-Protein Ligase ComplexesDown-Regulation