Predicted to be involved in defense response to Gram-negative bacterium and defense response to Gram-positive bacterium. Predicted to be located in cytoplasmic vesicle. Is expressed in heart; liver; parietal endoderm; placenta; and primary trophoblast giant cell. Human ortholog(s) of this gene implicated in primary immunodeficiency disease. Orthologous to human MPEG1 (macrophage expressed 1). [provided by Alliance of Genome Resources, Apr 2022]