Enables signaling receptor activity. Involved in cell surface receptor signaling pathway and negative regulation of neuron projection development. Located in cell surface and membrane raft. Is active in glutamatergic synapse and presynapse. Human ortholog(s) of this gene implicated in schizophrenia. Orthologous to human RTN4R (reticulon 4 receptor). [provided by Alliance of Genome Resources, Apr 2022]