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. Orthologous to human VN1R2 (vomeronasal 1 receptor 2) and VN1R4 (vomeronasal 1 receptor 4). [provided by Alliance of Genome Resources, Apr 2022]