Predicted to enable GTPase activator activity and SH3 domain binding activity. Predicted to be involved in small GTPase mediated signal transduction. Predicted to be active in lamellipodium. Human ortholog(s) of this gene implicated in Adams-Oliver syndrome. Orthologous to human ARHGAP31 (Rho GTPase activating protein 31). [provided by Alliance of Genome Resources, Apr 2022]