May have an olfactory function associated with the identification of pathogens or of pathogenic states. Expressed exclusively in vomeronasal tissue (PubMed:19387439 and PubMed:19497865). Expressed in 1.2 % of a subset of sensory neurons located in the apical layer of the vomeronasal organ. Each neuron appears to express only one receptor gene. Expressed in brain, spleen, skeletal muscle and at high level in testis (PubMed:12459252). Belongs to the G-protein coupled receptor 1 family. A sickly smell - Issue 114 of February 2010