Predicted to enable GTPase activator activity. Predicted to be involved in activation of GTPase activity; intracellular protein transport; and regulation of autophagosome assembly. Predicted to be located in endosome. Predicted to be active in autophagosome and recycling endosome. Orthologous to human TBC1D12 (TBC1 domain family member 12). [provided by Alliance of Genome Resources, Apr 2022]