Predicted to enable SNARE binding activity. Involved in exocytosis and peptide hormone secretion. Located in secretory granule. Part of exocyst. Is expressed in several structures, including adrenal gland; lung; meninges; olfactory lobe; and vertebral axis musculature. Orthologous to human EXOC3L1 (exocyst complex component 3 like 1). [provided by Alliance of Genome Resources, Apr 2022]