Interactions of glucagon, gut glucagon, vasoactive intestinal polypeptide and secretin with liver and fat cell plasma membranes: binding to specific sites and stimulation of adenylate cyclase.

Adenylyl Cyclases/metabolism Adipose Tissue/cytology,enzymology,metabolism Amino Acid Sequence Animals Binding Sites Binding, Competitive Cell Membrane/enzymology,metabolism Glucagon/metabolism In Vitro Techniques Intestines Iodine Radioisotopes Liver/cytology,enzymology,metabolism Pancreas/metabolism Peptides/metabolism Rats Receptors, Cell Surface Secretin/metabolism

Iodine Radioisotopes Peptides Receptors, Cell Surface Secretin Glucagon Adenylyl Cyclases