Predicted to enable phospholipid scramblase activity. Predicted to be involved in apoptotic cell clearance; apoptotic process involved in development; and phosphatidylserine exposure on apoptotic cell surface. Predicted to act upstream of or within establishment of localization in cell; positive regulation of myoblast differentiation; and tolerance induction to self antigen. Predicted to be integral component of membrane. Predicted to be active in plasma membrane. Orthologous to human XKR8 (XK related 8). [provided by Alliance of Genome Resources, Apr 2022]