Rab GDP dissociation inhibitor alpha (GDI1)

Regulates the GDP/GTP exchange response of most Rab proteins by inhibiting the dissociation of GDP from them, and the subsequent binding of GTP to them. Promotes the dissociation of GDP-bound Rab proteins from the membrane and inhibits their activation.

Promotes the dissociation of RAB1A, RAB3A, RAB5A and RAB10 from membranes. .