( 1 ) the kinetic parameters of rat pancreatic adenylate cyclase were evaluated , using gtp , p [ nh ] ppg or gtp gamma s as nucleotide activator , cholecystokinin as peptide hormone , and gdp beta s and dibutyryl cyclic gmp as inhibitors of guanosine triphosphate and cck-8 , respectively .
C0079469
gtp gamma s
C0018353
guanosine triphosphate