Predicted to be involved in nervous system development. Predicted to act upstream of or within cell adhesion. Predicted to be located in plasma membrane. Predicted to be anchored component of membrane. Predicted to be active in neuron projection. Is expressed in several structures, including alimentary system; ear; genitourinary system; integumental system; and nervous system. Orthologous to human CNTN3 (contactin 3). [provided by Alliance of Genome Resources, Apr 2022]