Predicted to enable sodium:proton antiporter activity. Predicted to be involved in proton transmembrane transport; regulation of pH; and sodium ion transport. Predicted to be located in membrane. Is an ortholog of C. elegans
pbo-4. In C. elegans,
pbo-4 is involved in several processes, including defecation; lipid transport involved in lipid storage; and positive regulation of multicellular organismal process.