GlucagonPeptidesReceptors, GlucagonPeptide FragmentsPeptide LibraryGlucagon-Secreting CellsAntimicrobial Cationic PeptidesInsulinPeptides, CyclicPeptide MappingOligopeptidesLiverAmino Acid SequenceSomatostatinGlucagon-Like PeptidesGlucagon-Like Peptide 1Islets of LangerhansBlood GlucoseVasoactive Intestinal PeptideProglucagonNatriuretic Peptide, BrainKineticsGlucoseHypoglycemiaMolecular Sequence DataGluconeogenesisPancreatic PolypeptidePancreasProtein BindingPancreatic HormonesPeptide YYCalcitonin Gene-Related PeptideCell-Penetrating PeptidesPeptide BiosynthesisAmino AcidsProtein PrecursorsRats, Inbred StrainsProtein ConformationCyclic AMPBinding SitesPeptide Nucleic AcidsEpinephrineReceptors, Gastrointestinal HormoneNatriuretic Peptide, C-TypeModels, MolecularChromatography, High Pressure LiquidNatriuretic PeptidesPeptide PHIProtein Structure, SecondaryBase SequenceStructure-Activity RelationshipGastrin-Releasing PeptideCell LineCells, CulturedPeptide HydrolasesReceptors, Formyl PeptideAdenylate CyclaseEpitopesGastrointestinal HormonesPeptide SynthasesLiver GlycogenReceptors, PeptideDogsAtrial Natriuretic FactorCell MembraneMass SpectrometryTrypsinPeptide HormonesSequence Homology, Amino AcidArginineDose-Response Relationship, DrugHormonesSecretinRadioimmunoassayBinding, CompetitiveFastingReceptors, Vasoactive Intestinal PeptideRecombinant ProteinsProtein Structure, TertiaryC-PeptideCattleMolecular WeightOxyntomodulinTime FactorsOpioid PeptidesRNA, MessengerProteinsIntracellular Signaling Peptides and ProteinsSubstrate SpecificityCloning, MolecularSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGastric Inhibitory PolypeptideMolecular MimicryAdenoma, Islet CellElectrophoresis, Polyacrylamide GelBucladesineGlucagon-Like Peptide 2HyperglycemiaCalciumMagnetic Resonance Spectroscopy