ProteomicsMass SpectrometryProteomeTandem Mass SpectrometryIsotope LabelingChromatography, LiquidSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationSpectrometry, Mass, Electrospray IonizationElectrophoresis, Gel, Two-DimensionalOxygen IsotopesPeptidesProteinsMolecular Sequence DataAmino Acid SequenceGas Chromatography-Mass SpectrometryDatabases, ProteinChromatography, High Pressure LiquidReproducibility of ResultsChemical FractionationProtein Array AnalysisNitrogen IsotopesComputational BiologyIsotopesSoftwarePeptide MappingMetabolic Networks and PathwaysProtein Processing, Post-TranslationalComplex MixturesSequence Analysis, ProteinProtein Interaction MappingGene Expression ProfilingBlood ProteinsReference StandardsAlgorithmsCluster AnalysisBiological MarkersProtein Interaction MapsSpectrometry, Mass, Secondary IonPeptide FragmentsBlotting, WesternProtein BindingProteolysisStaining and LabelingBacterial ProteinsSystems BiologyCell Line, TumorHeLa CellsSignal TransductionSpectrometry, Mass, Fast Atom BombardmentMetabolomicsAmino AcidsSmall Ubiquitin-Related Modifier ProteinsElectrophoresis, Polyacrylamide GelModels, BiologicalArabidopsisMultiprotein ComplexesTumor Markers, BiologicalPhosphorylationPlant ProteinsArabidopsis ProteinsCell LineNeoplasm ProteinsLysineMembrane ProteinsMolecular StructureProteasome Endopeptidase ComplexSensitivity and SpecificitySaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsProtein TransportIonsCells, CulturedDeuterium Exchange MeasurementSubcellular FractionsStress, PhysiologicalCalibrationSubstrate SpecificityGene Expression RegulationTwo-Dimensional Difference Gel ElectrophoresisUbiquitinationFourier AnalysisTime FactorsPlant LeavesTrypsinGenomicsChromatography, Reverse-PhaseMagnetic Resonance SpectroscopyRNA InterferenceAnalytic Sample Preparation MethodsCarbohydrate SequenceLimit of DetectionMutationUp-RegulationRNA, Small InterferingNanotechnologySolid Phase ExtractionMetabolomeNuclear ProteinsGene Expression Regulation, PlantDeuterium