Involved in establishment of epithelial cell apical/basal polarity. Is integral component of nuclear outer membrane. Is expressed in ganglia; metanephros; olfactory epithelium; pancreas; and pituitary gland. Human ortholog(s) of this gene implicated in autosomal recessive nonsyndromic deafness 76. Orthologous to human SYNE4 (spectrin repeat containing nuclear envelope family member 4). [provided by Alliance of Genome Resources, Apr 2022]