ProteomicsProteomeMass SpectrometryTandem Mass SpectrometryElectrophoresis, Gel, Two-DimensionalChromatography, LiquidDatabases, ProteinIsotope LabelingSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationProteinsProtein Array AnalysisComputational BiologyPeptidesSoftwareSequence Analysis, ProteinPeptide MappingAmino Acid SequenceReproducibility of ResultsMolecular Sequence DataGenomicsAlgorithmsProtein Processing, Post-TranslationalGene Expression ProfilingBiological MarkersSpectrometry, Mass, Electrospray IonizationTwo-Dimensional Difference Gel ElectrophoresisProtein Interaction MappingMetabolomicsChemical FractionationSystems BiologyMetabolic Networks and PathwaysDatabase Management SystemsBlood ProteinsOxygen IsotopesUser-Computer InterfaceProtein Interaction MapsSearch EngineInternetCluster AnalysisTumor Markers, BiologicalComplex MixturesBacterial ProteinsBlotting, WesternNeoplasm ProteinsModels, Biological