GAP1M, GTPase activating protein of RAS, Ras GTPase activating protein 2, Ras GTPase-activating protein 2, RAS p21 protein activator 2, RASA2, RASA2_HUMAN, RASGAP.
The protein encoded by this gene is member of the GAP1 family of GTPase-activating proteins. The gene product stimulates the GTPase activity of normal RAS p21 but not its oncogenic counterpart. Acting as a suppressor of RAS function, the protein enhances the weak intrinsic GTPase activity of RAS proteins resulting in the inactive GDP-bound form of RAS, thereby allowing control of cellular proliferation and differentiation. This particular family member has a perinuclear localization and is an inositol 1,3,4,5-tetrakisphosphate-binding protein, a compound suggested to function as a second messenger. [provided by RefSeq, Jul 2008].
