Predicted to enable GTPase activator activity and phosphatidylinositol-3,4,5-trisphosphate binding activity. Predicted to be involved in regulation of GTPase activity. Predicted to be active in cytoplasm. Is expressed in thymus primordium. Orthologous to human ARHGAP9 (Rho GTPase activating protein 9). [provided by Alliance of Genome Resources, Apr 2022]