Mass SpectrometryTandem Mass SpectrometrySpectrometry, Mass, Electrospray IonizationSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGas Chromatography-Mass SpectrometryChromatography, LiquidChromatography, High Pressure LiquidProteomicsSpectrometry, Mass, Secondary IonMolecular Sequence DataProteomeAmino Acid SequenceSpectrometry, Mass, Fast Atom BombardmentElectrophoresis, Gel, Two-DimensionalPeptidesDeuterium Exchange MeasurementReproducibility of ResultsIsotope LabelingMolecular StructurePeptide MappingReference StandardsSensitivity and SpecificityCalibrationMagnetic Resonance SpectroscopyProteinsSolid Phase ExtractionCarbohydrate SequenceDeuteriumLimit of DetectionIonsBody Mass IndexMetabolomicsPeptide FragmentsSubstance Abuse DetectionChromatography, Thin LayerChromatography, GasSoftwareFourier AnalysisIndicators and ReagentsProtein BindingProtein Processing, Post-TranslationalCyclotronsIsotopesAnalytic Sample Preparation MethodsTrypsinAlgorithmsMetabolomeSequence Analysis, ProteinElectrophoresis, Polyacrylamide GelPolysaccharidesGlycosylationOligosaccharidesModels, MolecularCarbohydrate ConformationMolecular WeightCattleIsomerismOxidation-ReductionChromatography, Reverse-PhaseElectrophoresis, CapillaryComplex MixturesIndicator Dilution TechniquesBiological MarkersBiotransformationRecombinant ProteinsOxygen IsotopesBacterial ProteinsTime FactorsGasesChemical FractionationDatabases, ProteinSpectrophotometry, AtomicHydrolysisProtein Array AnalysisMicrochemistryNanotechnologyForensic MedicineBinding SitesHydrogenComputational BiologyAtmospheric PressureKineticsEscherichia coliProtein ConformationSpectrophotometry, UltravioletSpectroscopy, Fourier Transform InfraredChromatography, AffinityBase SequencePhosphorylationSequence Homology, Amino AcidGlycosphingolipidsGlycomicsProtein Structure, TertiaryModels, ChemicalMethylationCysteineSubstrate SpecificityChemistry Techniques, AnalyticalSequence AlignmentProtein Interaction Mapping