ProteomicsProteomeMass SpectrometryTandem Mass SpectrometryElectrophoresis, Gel, Two-DimensionalChromatography, LiquidReference StandardsDatabases, ProteinIsotope LabelingSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationProteinsReproducibility of ResultsSoftwareComputational BiologyProtein Array AnalysisPeptidesAlgorithms