Predicted to enable actin filament binding activity. Predicted to be a structural constituent of cytoskeleton. Involved in epithelial cell migration and morphogenesis of embryonic epithelium. Predicted to be located in actin cytoskeleton and cytoplasm. Predicted to be part of Arp2/3 protein complex. Expressed in head and tail. Human ortholog(s) of this gene implicated in several diseases, including colorectal adenocarcinoma; invasive ductal carcinoma; and systemic scleroderma. Is an ortholog of human ARPC2 (actin related protein 2/3 complex subunit 2).