in the absence of hormones , gpp ( nh ) p is a considerably more effective activator than gtp , and , under certain conditions of incubation , stimulates rat fat cell adenylate cyclase to levels of activity ( about 20 nmoles of 3',5'-adenosine monophosphate mg protein per min ) far higher than reported hitherto for any adenylate cyclase system examined .
C0018366
gpp ( nh ) p
C0018353
gtp