Mass SpectrometryTandem Mass SpectrometrySpectrometry, Mass, Electrospray IonizationSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGas Chromatography-Mass SpectrometryChromatography, LiquidHybrid CellsChromatography, High Pressure LiquidProteomicsMolecular Sequence DataSpectrometry, Mass, Secondary IonAmino Acid SequenceProteomeHybridization, GeneticSpectrometry, Mass, Fast Atom BombardmentElectrophoresis, Gel, Two-DimensionalPeptidesDeuterium Exchange MeasurementMolecular StructureIsotope LabelingReproducibility of ResultsPeptide MappingReference StandardsCalibrationMagnetic Resonance SpectroscopySensitivity and SpecificityCarbohydrate SequenceSolid Phase ExtractionProteinsDeuteriumLimit of DetectionIonsBody Mass IndexPeptide FragmentsMetabolomicsChromatography, Thin LayerSubstance Abuse DetectionChromatography, GasFourier AnalysisProtein BindingProtein Processing, Post-TranslationalElectrophoresis, Polyacrylamide GelCyclotronsIndicators and ReagentsBase SequenceIsotopesTrypsinAnalytic Sample Preparation MethodsPolysaccharidesMolecular WeightGlycosylationEscherichia coliModels, MolecularMetabolomeOligosaccharidesHybrid VigorCarbohydrate ConformationBacterial ProteinsCattleRecombinant ProteinsSequence Analysis, ProteinIsomerismOxidation-ReductionChromatography, Reverse-PhaseKineticsComplex MixturesElectrophoresis, CapillaryIndicator Dilution TechniquesAlgorithmsTime FactorsBiotransformationCell LineOxygen IsotopesGasesHydrolysisBinding SitesSpecies SpecificityBiological MarkersProtein ConformationChemical FractionationNanotechnologySpectrophotometry, AtomicChimeraSequence Homology, Amino AcidMicrochemistryHydrogenMutationProtein Array AnalysisRadiation Hybrid MappingForensic MedicineProtein Structure, TertiaryAtmospheric PressureSpectroscopy, Fourier Transform InfraredSpectrophotometry, UltravioletChromatography, AffinitySubstrate SpecificityCloning, MolecularPhosphorylationModels, ChemicalCrosses, Genetic