Mass SpectrometryTandem Mass SpectrometrySpectrometry, Mass, Electrospray IonizationSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGas Chromatography-Mass SpectrometryChromatography, LiquidChromatography, High Pressure LiquidProteomicsMolecular Sequence DataSpectrometry, Mass, Secondary IonAmino Acid SequenceProteomeSpectrometry, Mass, Fast Atom BombardmentElectrophoresis, Gel, Two-DimensionalPeptidesMolecular StructureModels, BiologicalDeuterium Exchange MeasurementReproducibility of ResultsIsotope LabelingMagnetic Resonance SpectroscopyPeptide MappingProteinsReference StandardsCalibrationSensitivity and SpecificityCarbohydrate SequenceSolid Phase ExtractionDeuteriumIonsLimit of DetectionPeptide FragmentsBiological MarkersProtein BindingBody Mass IndexMetabolomicsChromatography, Thin LayerChromatography, GasSubstance Abuse DetectionAlgorithmsFourier AnalysisModels, MolecularProtein Processing, Post-TranslationalIndicators and ReagentsAnalytic Sample Preparation MethodsElectrophoresis, Polyacrylamide GelBiological AssayIsotopesBiological ProductsPolysaccharidesTrypsinRecombinant ProteinsGlycosylationMetabolomeCyclotronsCattleTime FactorsOxidation-ReductionSoftwareSequence Analysis, ProteinMolecular WeightOligosaccharidesComputational BiologyIsomerismCarbohydrate ConformationKineticsBinding SitesBacterial ProteinsBase SequenceCell LineComplex MixturesChromatography, Reverse-PhaseNanotechnologyBiotransformationElectrophoresis, CapillaryProtein ConformationEscherichia coliHydrolysisProtein Structure, TertiaryIndicator Dilution TechniquesGasesDatabases, ProteinOxygen IsotopesSpectrophotometry, AtomicProtein Interaction MappingChemical FractionationSequence Homology, Amino AcidPhosphorylationMutationProtein Array AnalysisModels, ChemicalGene Expression ProfilingMicrochemistryStereoisomerismSpectrophotometry, UltravioletForensic MedicineHydrogenSpectroscopy, Fourier Transform InfraredSubstrate SpecificityChromatography, Affinity