the dose-effect curves of gtp , p [ nh ] ppg , and gtp gamma s for inhibition of carbamylcholine binding ( measured by competition with [ 3h ] qnb ) and for adenylate cyclase activation ( measured in the presence of isoproterenol ) were parallel , at both 25 degrees c and 37 degrees c .
C0018353
gtp
C0079469
gtp