Predicted to enable GTPase activator activity. Predicted to be involved in activation of GTPase activity; intracellular protein transport; and regulation of protein localization. Predicted to be located in cytosol. Is expressed in several structures, including adrenal medulla; brain; genitourinary system; gut gland; and retina. Orthologous to human TBC1D1 (TBC1 domain family member 1). [provided by Alliance of Genome Resources, Apr 2022]