Predicted to be a structural constituent of cytoskeleton. Predicted to contribute to actin filament binding activity. Predicted to be involved in Arp2/3 complex-mediated actin nucleation. Located in lamellipodium. Is expressed in lower jaw tooth and tooth. Orthologous to human ARPC3 (actin related protein 2/3 complex subunit 3). [provided by Alliance of Genome Resources, Apr 2022]