the potent beta-adrenergic agonist , ( - ) isoproterenol ( 2 microm ) , ( - ) epinephrine ( 10 microm ) and ( - ) norepinephrine ( 10 microm ) stimulated the camp-dependent protein kinase in membranes , 38 +/- 7 % , 31 +/- 6 % , and 30 +/- 6 % , respectively .
C0014563
epinephrine
C0028351
norepinephrine