Receptors, GlucagonGlucagonOxyntomodulinReceptors, Gastrointestinal HormoneGlucagon-Secreting CellsDiabetes Mellitus, Type 1Small Molecule LibrariesDiabetes MellitusLiverAdenylate CyclaseInsulinDiabetes Mellitus, Type 2GlycogenolysisBlood GlucoseGlucagon-Like Peptide 1Glucagon-Like PeptidesGlucoseGTP-Binding Protein alpha Subunits, GsCell MembraneDiabetes ComplicationsCyclic AMPReceptors, Cell SurfaceDiabetes Mellitus, ExperimentalMolecular Sequence DataKineticsBinding, CompetitiveIslets of LangerhansAmino Acid SequenceGuanylyl ImidodiphosphateHepatocytesGlucose Tolerance TestRats, Inbred StrainsHypoglycemiaPeptidesCells, CulturedCell LineSomatostatinSignal TransductionHypoglycemic AgentsGuanosine TriphosphateCricetinaeEnzyme ActivationTransfectionPancreasGluconeogenesisProglucagonDiabetes, GestationalMice, Inbred C57BLHyperglycemiaPeptide FragmentsRNA, MessengerHemoglobin A, GlycosylatedArrestinsRats, Sprague-DawleyPancreatic HormonesCHO CellsPancreatic PolypeptideCell Adhesion MoleculesFastingEpinephrineC-PeptideInsulin-Secreting CellsProtein BindingModels, MolecularTime Factors