PeptidesLigandsPeptide FragmentsPeptide LibraryAntimicrobial Cationic PeptidesPeptides, CyclicAmino Acid SequenceProtein BindingOligopeptidesCD40 LigandPeptide MappingMolecular Sequence DataBinding SitesModels, MolecularFas Ligand ProteinProtein ConformationNatriuretic Peptide, BrainKineticsVasoactive Intestinal PeptideCell LineStructure-Activity RelationshipProtein Structure, TertiaryCalcitonin Gene-Related PeptideProtein Structure, SecondaryCell-Penetrating PeptidesBase SequencePeptide BiosynthesisRecombinant ProteinsPeptide YYCells, CulturedPeptide Nucleic AcidsSequence Homology, Amino AcidBinding, CompetitiveNatriuretic Peptide, C-TypeSignal TransductionReceptors, PeptideNatriuretic PeptidesReceptors, Formyl PeptideEpitopesChromatography, High Pressure LiquidGastrin-Releasing PeptideMembrane GlycoproteinsMass SpectrometryPeptide HydrolasesRANK LigandPeptide PHIPeptide SynthasesRecombinant Fusion ProteinsIntracellular Signaling Peptides and ProteinsAtrial Natriuretic FactorMembrane ProteinsProteinsProtein PrecursorsCloning, MolecularMice, Inbred C57BLTrypsinSubstrate SpecificityAmino AcidsMagnetic Resonance SpectroscopyCrystallography, X-RayCell MembraneOpioid PeptidesMolecular StructureRNA, MessengerEscherichia coliCarrier ProteinsReceptors, Cell SurfaceCattleMutationTransfectionSequence AlignmentMolecular WeightDose-Response Relationship, DrugAntibodies, MonoclonalTNF-Related Apoptosis-Inducing LigandPeptide HormonesCD30 LigandIntercellular Signaling Peptides and ProteinsElectrophoresis, Polyacrylamide GelCHO CellsCricetinaeSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationDrug DesignT-LymphocytesAmino Acid MotifsBacterial ProteinsMutagenesis, Site-DirectedEpitopes, T-LymphocyteHydrophobic and Hydrophilic InteractionsModels, ChemicalCell Line, TumorLymphocyte ActivationMice, Inbred BALB CThermodynamicsPhosphorylationGlucagon-Like Peptide 1Molecular MimicryAptamers, PeptideHydrogen-Ion ConcentrationAmphibian Proteins