Predicted to enable ferritin receptor activity; phosphatidylserine binding activity; and virus receptor activity. Predicted to be involved in phagocytosis, engulfment and positive regulation of mast cell activation. Predicted to act upstream of or within iron ion transport. Predicted to be located in plasma membrane. Predicted to be integral component of membrane. Predicted to be active in cell surface. Human ortholog(s) of this gene implicated in atopic dermatitis. Orthologous to human HAVCR1 (hepatitis A virus cellular receptor 1). [provided by Alliance of Genome Resources, Apr 2022]