Retroviridae ProteinsRetroviridaeRetroviridae Proteins, OncogenicSpumavirusPeptidesTerminal Repeat SequencesRetroelementsPeptide FragmentsRetroviridae InfectionsPeptide LibraryAntimicrobial Cationic PeptidesPeptides, CyclicPeptide MappingOligopeptidesAmino Acid SequenceNatriuretic Peptide, BrainVasoactive Intestinal PeptideCalcitonin Gene-Related PeptideCell-Penetrating PeptidesProtein BindingPeptide BiosynthesisMolecular Sequence DataPeptide YYPeptide Nucleic AcidsNatriuretic Peptide, C-TypeNatriuretic PeptidesProtein ConformationModels, MolecularBinding SitesGastrin-Releasing PeptideProtein Structure, SecondaryReceptors, Formyl PeptidePeptide PHIPeptide SynthasesPeptide HydrolasesReceptors, PeptideChromatography, High Pressure LiquidAtrial Natriuretic FactorEpitopesKineticsBase SequenceMass SpectrometryStructure-Activity RelationshipProtein PrecursorsTrypsinSequence Homology, Amino AcidCell LineAmino AcidsOpioid PeptidesIntracellular Signaling Peptides and ProteinsPeptide HormonesProtein Structure, TertiaryRecombinant ProteinsCloning, MolecularSubstrate SpecificitySpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationMolecular MimicryGlucagon-Like Peptide 1Escherichia coliAptamers, PeptideProteinsMolecular WeightMagnetic Resonance SpectroscopyCells, CulturedCattleReceptors, Vasoactive Intestinal PeptideElectrophoresis, Polyacrylamide GelBinding, CompetitiveReceptors, Atrial Natriuretic FactorAmphibian ProteinsEpitopes, T-LymphocyteSalivary Proteins and PeptidesAmyloid beta-PeptidesRecombinant Fusion ProteinsAntigen PresentationMelittenSequence AlignmentProtein Processing, Post-TranslationalCell MembraneEpitope MappingGlucagon-Like PeptidesHydrophobic and Hydrophilic InteractionsDefensinsCyanogen BromideDipeptidesMagaininsT-Lymphocytes, CytotoxicBacterial ProteinsAmino Acid MotifsHLA-A2 AntigenRNA, MessengerHydrolysisLipid BilayersReceptors, Calcitonin Gene-Related PeptideRabbitsCathelicidinsMembrane ProteinsEndopeptidasesTandem Mass SpectrometryDose-Response Relationship, Drug