The function of OR4C12 (olfactory receptor family 4 subfamily C member 12, Ensembl gene identifier ENSG00000221954) is as follows. Acts as a receptor for R-(-)-carvone in pancreatic cells, initiating signaling pathways involving GNAS, elevated intracellular Ca(2+), and increased cAMP levels. Upon activation, promotes glucose- stimulated insulin secretion. .