May have an olfactory function associated with the identification of pathogens or of pathogenic states. Expressed exclusively in vomeronasal organ (PubMed:19387439, PubMed:19497865). Expressed in 0.8 % 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 heart, liver, lung, spleen smooth muscle and pancreas (PubMed:12459252). Belongs to the G-protein coupled receptor 1 family. A sickly smell - Issue 114 of February 2010