Involved in modulation of chemical synaptic transmission and regulation of postsynapse organization. Located in Schaffer collateral - CA1 synapse and cell surface. Is expressed in several structures, including central nervous system; esophagus; eye; male reproductive gland or organ; and trigeminal nerve. Used to study autism spectrum disorder. Orthologous to human LRFN2 (leucine rich repeat and fibronectin type III domain containing 2). [provided by Alliance of Genome Resources, Apr 2022]