Epand, R M The essential role of the imidazole group of glucagon in its biological function. [electronic resource] - Archives of biochemistry and biophysics Jan 1973 - 132-6 p. digital Publication Type: Journal Article ISSN: 0003-9861 Standard No.: 10.1016/0003-9861(73)90041-6 doi Subjects--Topical Terms: AcetylationAdenylyl Cyclases--analysisAmino Acids--analysisAnimalsCyclic AMP--biosynthesisEnzyme Activation--drug effectsFluorineGlucagon--analysisGuanidinesHistidine--metabolismHydrogen-Ion ConcentrationHydrolysisImidazoles--metabolismLiver--enzymologyLysine--analysisNitrobenzenesPeptidesRatsStructure-Activity Relationship