Neurons in the murine vomeronasal organ (VNO) express a family of class Ib major histocompatibility complex (MHC) proteins (M10s) that interact with the V2R class of VNO receptors. This interaction may play a direct role in the detection of pheromonal cues that initiate reproductive and territorial behaviors. The crystal structure of M10. https://www.spidertattooz.com/Color-Club-Nail-Lacquer-Pure-Energy-0-5-oz-p9629/