. "Edited: Jassal, B, 2008-11-06 10:17:49"^^ . "Reviewed: Castagnoli, L, 2008-11-06 12:55:54"^^ . "Authored: Le Novere, N, Jassal, B, 2004-03-31 12:22:05"^^ . "G proteins can deactivate themselves via their intrinsic GTPase activity, which hydrolyzes GTP to GDP. Effectors such as adenylate cyclase can increase the G protein GTPase rate, acting like GTPase-activating proteins (GAPs)."^^ . . . . . . "Adenylate cyclase increases the GTPase activity of Gi alpha"^^ . "3.6.5.1"^^ . "3.6.5.3"^^ . "3.6.5.2"^^ . "3.6.5.4"^^ . . . .