Involved in bone morphogenesis and in utero embryonic development. Acts upstream of or within bone mineralization. Located in plasma membrane. Is expressed in several structures, including bone; femur cartilage condensation; and lung. Human ortholog(s) of this gene implicated in osteogenesis imperfecta type 5. Orthologous to human IFITM5 (interferon induced transmembrane protein 5). [provided by Alliance of Genome Resources, Apr 2022]