Mass SpectrometryTandem Mass SpectrometrySpectrometry, Mass, Electrospray IonizationSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationAmino AcidsSequence Homology, Amino AcidGas Chromatography-Mass SpectrometryAmino Acid SequenceChromatography, LiquidChromatography, High Pressure LiquidMolecular Sequence DataProteomicsAmino Acid SubstitutionCloning, MolecularSpectrometry, Mass, Secondary IonPeptidesProteomePeptide FragmentsSpectrometry, Mass, Fast Atom BombardmentSequence AlignmentAmino Acids, EssentialEscherichia coliBase SequenceBinding SitesProteinsElectrophoresis, Gel, Two-DimensionalAmino Acid Transport SystemsMutationModels, MolecularRecombinant ProteinsProtein BindingAmino Acid MotifsKineticsPeptide MappingMolecular WeightProtein ConformationMolecular StructureBacterial ProteinsElectrophoresis, Polyacrylamide GelIsotope LabelingProtein Structure, TertiaryMutagenesis, Site-DirectedSubstrate SpecificityMagnetic Resonance SpectroscopyDNA, ComplementaryTrypsinDeuterium Exchange MeasurementCattleCell LineSequence Homology, Nucleic AcidStructure-Activity RelationshipDNAReproducibility of ResultsLeucineProtein Processing, Post-TranslationalLysineAmino Acids, Branched-ChainAmino Acids, AromaticSequence Analysis, ProteinReference StandardsCarbohydrate SequenceCalibrationDeuteriumAmino Acids, SulfurSequence Analysis, DNAIonsSensitivity and SpecificityCysteinePhylogenyChromatography, Thin LayerHydrolysisSpecies SpecificityGlycosylationSolid Phase ExtractionRecombinant Fusion ProteinsProtein Structure, SecondaryRNA, MessengerMetabolomicsSequence AnalysisLimit of DetectionIndicators and ReagentsGenes, BacterialRestriction MappingAlanineCarrier ProteinsOxidation-ReductionBody Mass IndexDNA PrimersChromatography, Ion ExchangeChromatography, GasPlasmidsConserved SequenceMembrane ProteinsFourier AnalysisCyanogen BromideCarbon IsotopesSubstance Abuse DetectionPlant ProteinsTime FactorsSaccharomyces cerevisiae