Predicted to enable bile acid transmembrane transporter activity; protein heterodimerization activity; and protein homodimerization activity. Predicted to be involved in bile acid and bile salt transport and bile acid secretion. Predicted to act upstream of or within organic substance transport. Located in basolateral plasma membrane. Human ortholog(s) of this gene implicated in progressive familial intrahepatic cholestasis. Orthologous to human SLC51A (solute carrier family 51 subunit alpha). [provided by Alliance of Genome Resources, Apr 2022]