inhibition of the radioligand binding by the selective beta 2-adrenoceptor antagonist ici 118551 ( ki = 117 +/- 45 nm ) and selective beta 1-adrenoceptor antagonist metoprolol ( ki = 15229 +/- 5046 nm ) suggests the dominance of beta 2-adrenoceptor subtype in human skeletal muscle .
C0001643
beta 2-adrenoceptor
C0086418
human