Tandem Mass SpectrometryMass SpectrometryPeptidesProteomicsSpectrometry, Mass, Electrospray IonizationDatabases, ProteinSequence Analysis, ProteinChromatography, LiquidPeptide MappingAlgorithmsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationAmino Acid SequenceMolecular Sequence DataSoftwareIonsSearch EngineProteomePeptide FragmentsChromatography, High Pressure LiquidProteinsGas Chromatography-Mass SpectrometryReproducibility of ResultsProtein Processing, Post-TranslationalTrypsinComputational BiologyTandem Repeat SequencesHigh-Throughput Nucleotide SequencingDatabases, FactualMagnetic Resonance SpectroscopySequence Analysis, DNAMolecular StructureBase SequenceModels, StatisticalPeptide LibraryAntimicrobial Cationic PeptidesPeptides, CyclicIsomerismOligopeptidesSpectrophotometry, InfraredSensitivity and SpecificityIndicators and ReagentsFourier AnalysisIsotope LabelingSpectrophotometry, UltravioletComplex MixturesSpectroscopy, Fourier Transform InfraredModels, MolecularSpectrometry, Mass, Fast Atom BombardmentModels, ChemicalProtein ConformationReference StandardsSequence AlignmentSpectrum AnalysisCattleCloning, MolecularProtein BindingMutationStereoisomerismMolecular WeightChromatography, GasEscherichia coliBinding SitesOxygen IsotopesSequence Homology, Amino AcidKineticsGasesBacterial ProteinsTrifluoroacetic AcidDeuteriumPolymerase Chain ReactionAmino AcidsDNAOxidation-ReductionChromatography, Thin LayerElectronsCalibrationCyclotronsMetabolomicsPhylogenyMyoglobin3,4-MethylenedioxyamphetamineEstersMolecular ConformationNanotechnologyStructure-Activity RelationshipHydrolysisPhosphopeptidesElectrophoresis, Polyacrylamide GelIsotopesNeonatal ScreeningProtein Structure, SecondaryHydrogen-Ion ConcentrationRecombinant ProteinsNatriuretic Peptide, BrainExomeElectrophoresis, Gel, Two-DimensionalProtein Structure, TertiaryInfrared RaysAtmospheric PressureTemperature