May have an olfactory function associated with the identification of pathogens or of pathogenic states. Expressed exclusively in vomeronasal neurons (PubMed:19387439 and PubMed:19497865). Expressed in 0.8 % of a subset of sensory neurons located in the apical layer of the vomeronasal organ. Localized in sensory somata as well as dendritic cells. Each neuron appears to express only one receptor gene. Belongs to the G-protein coupled receptor 1 family. A sickly smell - Issue 114 of February 2010