Predicted to enable GTPase activator activity. Predicted to be involved in activation of GTPase activity and regulation of postsynapse organization. Predicted to act upstream of or within angiogenesis and cell differentiation. Predicted to be located in cytoplasm and nucleus. Predicted to be active in glutamatergic synapse. Orthologous to human ARHGAP22 (Rho GTPase activating protein 22). [provided by Alliance of Genome Resources, Apr 2022]