photoaffinity crosslinking the receptors with [ 125i ] n6-2- ( 3-iodo-4-aminophenyl ) ethyladenosine reveals that a1 receptors from both groups migrate as mr 38,000 proteins . beta-adrenergic receptor binding with [ 125i ] iodocyanopindolol shows a decrease in the number of beta-receptors from 233 +/- 7 fmol/mg protein in control membranes to 190 +/- 10 fmol/mg protein in treated membranes ( p = 0.01 ) .
C0025252
protein
C0033684
protein