Predicted to enable GTPase activator activity. Predicted to be involved in several processes, including activation of GTPase activity; glomerular filtration; and intracellular protein transport. Predicted to be located in cytosol. Human ortholog(s) of this gene implicated in nephrotic syndrome type 20. Orthologous to human TBC1D8B (TBC1 domain family member 8B). [provided by Alliance of Genome Resources, Apr 2022]