Predicted to enable signaling receptor binding activity. Involved in aging; response to folic acid; and response to lipid. Located in cell surface; membrane raft; and myelin sheath. Used to study optic neuritis. Human ortholog(s) of this gene implicated in multiple sclerosis; narcolepsy; and optic neuritis. Orthologous to human MOG (myelin oligodendrocyte glycoprotein). [provided by Alliance of Genome Resources, Apr 2022]