Predicted to enable UDP-galactose transmembrane transporter activity and UDP-glucose transmembrane transporter activity. Predicted to be involved in UDP-galactose transmembrane transport. Predicted to act upstream of or within carbohydrate transport. Predicted to be located in endoplasmic reticulum and membrane. Predicted to be integral component of membrane. Predicted to be integral component of Golgi membrane and integral component of endoplasmic reticulum membrane. Is expressed in genitourinary system; jaw; skeleton; and submandibular gland primordium. Orthologous to human SLC35B1 (solute carrier family 35 member B1). [provided by Alliance of Genome Resources, Apr 2022]