PeptidesComplex MixturesMass SpectrometryPeptide FragmentsAmino Acid SequenceSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGentisatesPeptide MappingChromatography, High Pressure LiquidTrypsinProteomicsPhosphopeptidesMolecular Sequence DataChromatography, LiquidSpectrometry, Mass, Electrospray IonizationOligopeptidesCaseinsTandem Mass SpectrometryAmino AcidsPeptide LibraryProteomeProteinsAntimicrobial Cationic PeptidesCattlePeptides, CyclicNatriuretic Peptide, BrainProtein BindingVasoactive Intestinal PeptideCalcitonin Gene-Related PeptideCell-Penetrating PeptidesPeptide BiosynthesisKineticsPeptide YYProtein ConformationModels, MolecularPeptide Nucleic AcidsBinding SitesNatriuretic Peptide, C-TypeProtein Structure, SecondaryNatriuretic PeptidesBase SequenceGastrin-Releasing PeptidePeptide HydrolasesStructure-Activity RelationshipEpitopesReceptors, Formyl PeptidePeptide SynthasesPeptide PHIReceptors, PeptideAtrial Natriuretic FactorProtein PrecursorsCell LineMagnetic Resonance SpectroscopySequence Homology, Amino AcidRecombinant ProteinsEscherichia coliMolecular WeightProtein Structure, TertiarySubstrate SpecificityIntracellular Signaling Peptides and ProteinsCloning, MolecularOpioid PeptidesPeptide HormonesElectrophoresis, Polyacrylamide GelLipid BilayersCells, CulturedHydrogen-Ion ConcentrationMolecular MimicryBinding, CompetitiveGlucagon-Like Peptide 1HydrolysisAptamers, PeptideDose-Response Relationship, DrugRabbitsCell MembraneAmphibian ProteinsRecombinant Fusion ProteinsReceptors, Vasoactive Intestinal PeptideEpitopes, T-LymphocyteBacterial ProteinsHydrophobic and Hydrophilic InteractionsMolecular StructureAmyloid beta-PeptidesSequence AlignmentReceptors, Atrial Natriuretic FactorSalivary Proteins and PeptidesProtein Processing, Post-TranslationalMelittenModels, ChemicalTime FactorsAntigen PresentationTemperatureRNA, MessengerDipeptidesCyanogen BromideEpitope MappingMutationLiposomesMembrane ProteinsDefensins