Mass SpectrometryProtein ConformationTandem Mass SpectrometrySpectrometry, Mass, Electrospray IonizationSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGas Chromatography-Mass SpectrometryMolecular Sequence DataAmino Acid SequenceChromatography, LiquidMolecular ConformationDeuterium Exchange MeasurementProtein BindingProtein Structure, SecondaryChromatography, High Pressure LiquidProteinsCircular DichroismMagnetic Resonance SpectroscopyProtein FoldingModels, MolecularProteomicsBinding SitesThermodynamicsProtein Structure, TertiaryPeptidesCrystallography, X-RaySpectrometry, FluorescenceKineticsSpectrometry, Mass, Secondary IonMolecular StructureProtein DenaturationSolutionsProteomeHydrogen-Ion ConcentrationOptical Rotatory DispersionTemperatureModels, ChemicalDeuteriumSpectrometry, Mass, Fast Atom BombardmentRecombinant ProteinsHydrogen BondingMutationMyoglobinSilica GelSpectroscopy, Fourier Transform InfraredPeptide FragmentsStructure-Activity RelationshipEscherichia coliLigandsElectrophoresis, Gel, Two-DimensionalHydrogenIonsBacterial ProteinsNuclear Magnetic Resonance, BiomolecularSpectrophotometry, UltravioletMolecular Dynamics SimulationProtein Structure, QuaternaryComputer SimulationTryptophanElectrophoresis, Polyacrylamide GelMutagenesis, Site-DirectedCattleTrypsinSpectrum Analysis, RamanFourier AnalysisWaterProtein StabilitySolventsOxidation-ReductionSpectrophotometry, InfraredHydrolysisAlgorithmsAnilino NaphthalenesulfonatesAmino Acid SubstitutionMuramidasePeptide MappingGlycosylationProtein Processing, Post-TranslationalIsotope LabelingSequence Analysis, ProteinSubstrate SpecificityCarbohydrate ConformationApoproteinsReproducibility of ResultsHorsesCysteineCatalysisMolecular WeightHydrophobic and Hydrophilic InteractionsAmino AcidsCarbohydrate SequenceDimerizationReference StandardsCalibrationSpectrum AnalysisStatic ElectricityGuanidinePrionsDNABacteriorhodopsinsSequence Homology, Amino Acid