Predicted to enable peptide binding activity. Acts upstream of or within neurogenesis and sensory perception of smell. Located in several cellular components, including axon; cytosol; and neuronal cell body. Is expressed in several structures, including brain; eye; genitourinary system; intestine; and olfactory system. Orthologous to human OMP (olfactory marker protein). [provided by Alliance of Genome Resources, Apr 2022]