ProteomicsProteomeIsotope LabelingMass SpectrometryTandem Mass SpectrometryChromatography, LiquidOxygen IsotopesElectrophoresis, Gel, Two-DimensionalPeptidesProteinsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationChemical FractionationNitrogen IsotopesReproducibility of ResultsDatabases, ProteinTechnologyMetabolic Networks and PathwaysSoftwareComputational BiologyIsotopesMolecular Sequence DataAmino Acid SequenceProtein Array AnalysisComplex MixturesGene Expression ProfilingCluster AnalysisProtein Interaction MappingProtein Interaction MapsProtein Processing, Post-TranslationalSpectrometry, Mass, Electrospray IonizationBlood ProteinsSequence Analysis, ProteinAlgorithmsBiomedical TechnologyStaining and LabelingProteolysisPeptide MappingBiological MarkersBlotting, WesternSystems BiologySmall Ubiquitin-Related Modifier ProteinsHeLa CellsSignal TransductionCell Line, TumorReference StandardsArabidopsisProtein BindingArabidopsis ProteinsChromatography, High Pressure LiquidPeptide FragmentsAmino AcidsProteasome Endopeptidase ComplexMultiprotein ComplexesBacterial ProteinsModels, BiologicalTechnology Assessment, BiomedicalStress, PhysiologicalTechnology TransferTumor Markers, BiologicalCell LineNeoplasm ProteinsSaccharomyces cerevisiaeGene Expression RegulationSaccharomyces cerevisiae ProteinsProtein TransportPlant ProteinsUbiquitinationCells, CulturedLysineMembrane ProteinsRNA InterferencePhosphorylationSubcellular FractionsRNA, Small InterferingPlant LeavesGenomicsGene Expression Regulation, PlantUp-RegulationNuclear ProteinsElectrophoresis, Polyacrylamide GelEducational TechnologyUser-Computer InterfaceTime FactorsSubstrate SpecificityMedical Laboratory ScienceInternetRNA, MessengerBiotechnologyTranscription FactorsMutationTechnology, DentalOligonucleotide Array Sequence AnalysisTechnology, High-CostCell DifferentiationMetabolomicsDatabase Management Systems