the optimum ph , optimum atp : mg2+ ratio , the concentration of atp required for half-maximal and maximal reaction velocity , metal ion specificity , effect of naf , and effects of gtp and 5'-guanylylimidodiphosphate were in general similar to those of catecholamine-sensitive adenylate cyclases from various regions of mammalian brain .
C0018353
gtp
C0018366
guanylylimidodiphosphate