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-DimensionalMagnetic Resonance SpectroscopyMolecular StructurePeptidesReproducibility of ResultsDeuterium Exchange MeasurementFourier AnalysisIsotope LabelingCalibrationSpectrum AnalysisPeptide MappingReference StandardsSensitivity and SpecificityDeuteriumProteinsCarbohydrate SequenceSolid Phase ExtractionLimit of DetectionIonsMetabolomicsSpectrophotometry, UltravioletBody Mass IndexChromatography, Thin LayerPeptide FragmentsChromatography, GasSubstance Abuse DetectionAlgorithmsProtein BindingIndicators and ReagentsSpectrophotometryOxidation-ReductionSpectrophotometry, InfraredCyclotronsProtein Processing, Post-TranslationalTrypsinModels, MolecularIsotopesElectrophoresis, Polyacrylamide GelMetabolomeCattleTime FactorsAnalytic Sample Preparation MethodsKineticsIsomerismSequence Analysis, ProteinMolecular WeightPolysaccharidesComplex MixturesGlycosylationOligosaccharidesProtein ConformationCarbohydrate ConformationBacterial ProteinsSpectrometry, FluorescenceBiotransformationChromatography, Reverse-PhaseBinding SitesRecombinant ProteinsElectrophoresis, CapillaryOxygen IsotopesGasesSpectrophotometry, AtomicIndicator Dilution TechniquesModels, ChemicalHydrolysisBiological MarkersHydrogenChemical FractionationSoftwareHydrogen-Ion ConcentrationDatabases, ProteinEscherichia coliSignal Processing, Computer-AssistedNanotechnologyMicrochemistryForensic MedicineProtein Array AnalysisStereoisomerismCarbon IsotopesAtmospheric PressureCysteineSequence Homology, Amino AcidNitrogen IsotopesChromatography, AffinitySubstrate SpecificitySpectral KaryotypingMolecular Conformation