Predicted to enable calcium ion binding activity and endopeptidase activity. Involved in blood coagulation. Predicted to be active in extracellular space. Human ortholog(s) of this gene implicated in X-linked thrombophilia due to factor IX defect; X-linked warfarin sensitivity; and hemophilia B. Orthologous to human F9 (coagulation factor IX). [provided by Alliance of Genome Resources, Apr 2022]