Acts upstream of or within gene expression; intracellular protein transmembrane transport; and regulation of glucose import. Located in several cellular components, including T-tubule; Z disc; and terminal cisterna. Is expressed in several structures, including alimentary system; central nervous system; genitourinary system; integumental system; and sensory organ. Human ortholog(s) of this gene implicated in hereditary spastic paraplegia 12. Orthologous to human RTN2 (reticulon 2). [provided by Alliance of Genome Resources, Apr 2022]