Activation of adenylate cyclase in hepatic membranes involves interactions of the catalytic unit with multimeric complexes of regulatory proteins.

Adenylyl Cyclases/metabolism,radiation effects Animals Cell Membrane/enzymology Glucagon/metabolism Guanylyl Imidodiphosphate/pharmacology Kinetics Liver/enzymology Macromolecular Substances Membrane Proteins/metabolism,radiation effects Nucleotidases/metabolism Rats Receptors, Cell Surface/metabolism

Macromolecular Substances Membrane Proteins Receptors, Cell Surface Guanylyl Imidodiphosphate Glucagon Nucleotidases Adenylyl Cyclases