Involved in myelination. Located in neuron projection. Is expressed in midbrain ventricular layer; olfactory epithelium; and telencephalon ventricular layer. Human ortholog(s) of this gene implicated in hypomyelinating leukodystrophy 5. Orthologous to human FAM126A (family with sequence similarity 126 member A). [provided by Alliance of Genome Resources, Apr 2022]