Mass SpectrometryChromatography, High Pressure LiquidChromatography, LiquidTandem Mass SpectrometrySpectrometry, Mass, Electrospray IonizationChromatography, AffinitySpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGas Chromatography-Mass SpectrometryChromatography, GasChromatography, GelChromatography, Ion ExchangeChromatographyGelsChromatography, Thin LayerMolecular Sequence DataAmino Acid SequenceProteomicsMolecular WeightChromatography, Reverse-PhaseElectrophoresis, Polyacrylamide GelElectrophoresis, Gel, Two-DimensionalProteomeSpectrophotometry, UltravioletSpectrometry, Mass, Fast Atom BombardmentSpectrometry, Mass, Secondary IonReproducibility of ResultsKineticsReference StandardsCalibrationChromatography, DEAE-CellulosePeptidesMagnetic Resonance SpectroscopyAmino AcidsMolecular StructurePeptide FragmentsSolid Phase ExtractionLimit of DetectionCarbohydrate SequenceIonic LiquidsIndicators and ReagentsChromatography, AgaroseHydrogen-Ion ConcentrationCattlePeptide MappingSensitivity and SpecificityIsotope LabelingTrypsinChemical FractionationSubstrate SpecificityDrug StabilityOligosaccharidesProtein BindingProteinsHydrolysisMicrochemistryAcetonitrilesBiotransformationEscherichia coliIsoelectric FocusingChemistryChemical PhenomenaIsomerismPolysaccharidesRecombinant ProteinsStereoisomerismCarbohydratesLiverCarbohydrate ConformationMetabolomicsTemperatureBase SequenceChromatography, PaperOxidation-ReductionDeuterium Exchange MeasurementBacterial ProteinsTime FactorsSubstance Abuse DetectionPlant ExtractsRabbitsChemistry Techniques, AnalyticalBinding SitesIonsLiquid CrystalsSepharoseGlycosylationDeuteriumSolventsBrain ChemistryMethanolProtein Processing, Post-TranslationalFatty AcidsCell LineMethodsBiological AssaySequence Homology, Amino AcidBlood ProteinsRadioimmunoassayMicrosomes, LiverElectrophoresis, CapillaryMetabolome