Predicted to enable UDP-N-acetylglucosamine transmembrane transporter activity and UDP-xylose transmembrane transporter activity. Acts upstream of or within regulation of gluconeogenesis. Predicted to be located in Golgi apparatus and endoplasmic reticulum. Predicted to be integral component of Golgi membrane and integral component of endoplasmic reticulum membrane. Is expressed in several structures, including alimentary system; brain; genitourinary system; respiratory system; and sensory organ. Orthologous to human SLC35B4 (solute carrier family 35 member B4). [provided by Alliance of Genome Resources, Apr 2022]