the beta-adrenergic catecholamine receptor , reflected by isoproterenol 's effect on activation by pretreatment with p [ nh ] ppg , increased the concentration of catalytic subunits in the c* state but had an insignificant ( p > 0.05 ) effect on the k ( m ) at every temperature .
C0007412
catecholamine
C0022245
isoproterenol 's