Predicted to enable olfactory receptor activity. Predicted to act upstream of or within G protein-coupled receptor signaling pathway and sensory perception of smell. Predicted to be located in membrane. Predicted to be active in plasma membrane. Orthologous to several human genes including OR4A16 (olfactory receptor family 4 subfamily A member 16) and OR4A5 (olfactory receptor family 4 subfamily A member 5).