TABLE 2

Calculated Ki values of selective βAR antagonists for specific 125I-CYP binding sites


AR Antagonist

n

Experimental Ki

Reported Kib
β1AR
β2AR
β3AR
nM
Propranolol 3 1.5 ± 0.7 1.8 1.1 186
CGP 20712A 3 6668 ± 1068 4.1 9550 2360
Atenolol 3 5943 ± 2462 388 8600 65000
SR 59230A 3 88 ± 41 16 62 2.5
ICI 118,551
3
1.0 ± 1.0
148
0.7
128