Predicted to enable GTPase activator activity. Predicted to be involved in regulation of catalytic activity. Predicted to act upstream of or within neuron migration and regulation of neuron projection development. Predicted to be located in growth cone. Orthologous to human ACAP3 (ArfGAP with coiled-coil, ankyrin repeat and PH domains 3). [provided by Alliance of Genome Resources, Apr 2022]