Predicted to enable carbohydrate binding activity; cell-cell adhesion mediator activity; and protein self-association. Involved in axonogenesis and cell-matrix adhesion. Located in plasma membrane and synapse. Human ortholog(s) of this gene implicated in familial adult myoclonic epilepsy 5. Orthologous to human CNTN2 (contactin 2). [provided by Alliance of Genome Resources, Apr 2022]