Predicted to enable pheromone binding activity and pheromone receptor activity. Predicted to act upstream of or within response to pheromone. Predicted to be integral component of plasma membrane. Is expressed in amygdala; olfactory epithelium; and telencephalon mantle layer. Orthologous to human VN1R4 (vomeronasal 1 receptor 4). [provided by Alliance of Genome Resources, Apr 2022]