Mass SpectrometryTandem Mass SpectrometrySpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationSpectrometry, Mass, Electrospray IonizationGas Chromatography-Mass SpectrometryChromatography, LiquidProteomicsChromatography, High Pressure LiquidMolecular Sequence DataAmino Acid SequenceProteomeElectrophoresis, Gel, Two-DimensionalPeptidesDeuterium Exchange MeasurementProtein BindingPeptide MappingSolid Phase ExtractionProtein Processing, Post-TranslationalBacterial ProteinsMolecular StructureReproducibility of ResultsSpectrometry, Mass, Secondary IonPeptide FragmentsGlycosylationSpectrometry, Mass, Fast Atom BombardmentAmmonium HydroxideElectrophoresis, Polyacrylamide GelSubstance Abuse DetectionMagnetic Resonance SpectroscopyRecombinant ProteinsImmunoprecipitationIsotope LabelingChromatography, Thin LayerCarbohydrate SequencePolysaccharidesProteinsTrypsinChromatography, Reverse-PhaseBiotransformationSequence Homology, Amino AcidPhosphorylationOxidation-ReductionChemical FractionationBlotting, WesternReference StandardsProtein Structure, TertiaryOxygen IsotopesChromatography, GasCell LineModels, MolecularSubstrate SpecificitySequence Analysis, ProteinIonsCattleOligosaccharidesMutationLysineMolecular WeightSequence AlignmentSensitivity and SpecificityEscherichia coliKineticsBinding SitesProteolysisNitrogen IsotopesCross-Linking ReagentsPhosphopeptidesPlant ProteinsHydrolysisCell Line, TumorCysteineMethylationMicrosomes, LiverGlycosphingolipidsRhamnoseProtein Interaction MappingCalibrationSerineSpectrophotometry, UltravioletGlucuronidesTime FactorsDeuteriumBase SequenceProtein ConformationAcetylglucosamineProtein SubunitsDisulfidesChromatography, Ion ExchangeChromatography, AffinityPlant ExtractsHEK293 CellsCloning, MolecularBiological MarkersModels, ChemicalModels, BiologicalLipid AMethanolTrifluoroacetic AcidSequence Analysis, DNAMultiprotein Complexes