. "Modulation of the activity of the enzyme cAMP-dependent protein kinase." . . "cAMP-dependent protein kinase regulator activity" . "3',5' cAMP-dependent protein kinase regulator activity" . "3',5'-cAMP-dependent protein kinase regulator activity" . "adenosine 3',5'-cyclophosphate-dependent protein kinase regulator activity" . "cAMP-dependent protein kinase, intrinsic regulator activity" . "cyclic AMP-dependent protein kinase regulator activity" . . .