RAB18
(redirected from RAB18 small GTPase)RAB18
A gene on chromosome 10p12.1 that encodes a member of the Rab subfamily of Ras-related small GTPases, which regulates membrane trafficking in organelles and transport vesicles, and plays a role in apical endocytosis and recycling.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.