Protein StabilityProteinsSequence Analysis, ProteinProtein FoldingModels, MolecularProtein ConformationDatabases, ProteinAlgorithmsComputational BiologyProtein BindingEnzyme StabilitySoftwareDrug StabilityProtein DenaturationThermodynamicsMolecular Sequence DataMutationRNA StabilityAmino Acid SequenceProtein Structure, TertiaryUbiquitinationTemperatureProtein Structure, SecondaryCircular DichroismProteasome Endopeptidase ComplexProteolysisUbiquitinAmino Acid SubstitutionProtein EngineeringGuanidineCell LineMutagenesis, Site-DirectedProtein UnfoldingModels, BiologicalUbiquitin-Protein LigasesKineticsBase SequenceCalorimetry, Differential ScanningSignal TransductionHot TemperatureRNA, MessengerProtein Processing, Post-TranslationalBinding SitesHalf-LifeHEK293 CellsUreaHydrogen BondingPhosphorylationRecombinant ProteinsEscherichia coliModels, ChemicalComputer SimulationStructure-Activity RelationshipCell Line, TumorGene Expression RegulationHydrogen-Ion ConcentrationSolventsMuramidaseTranscription, GeneticTranscription FactorsStatic ElectricityMutation, MissenseMutant ProteinsDNA-Binding ProteinsCrystallography, X-RayTransition TemperatureAmino Acid MotifsBacterial ProteinsNuclear ProteinsTime FactorsHydrophobic and Hydrophilic InteractionsSequence AlignmentRecombinant Fusion ProteinsSequence Homology, Amino AcidSpectrometry, FluorescenceTumor Suppressor Protein p53HeLa CellsTransfectionLeupeptinsPhenotypeAmino AcidsCOS CellsProtein Structure, QuaternaryCells, CulturedProto-Oncogene Proteins c-mdm2Point MutationProtein MultimerizationSaltsMultiprotein ComplexesBlotting, WesternPlasmidsRNA, Small InterferingCarrier ProteinsMembrane ProteinsProtein TransportLysineImmunoprecipitationSaccharomyces cerevisiaeSolubilityProteasome Inhibitors