Predicted to enable [heparan sulfate]-glucosamine 3-sulfotransferase 1 activity. Predicted to act upstream of or within protein sulfation. Predicted to be integral component of plasma membrane. Orthologous to human HS3ST3B1 (heparan sulfate-glucosamine 3-sulfotransferase 3B1). [provided by Alliance of Genome Resources, Apr 2022]