Immunogen sequence: MAREECKALL DGLNKTTACY HHLVLTVGGS ADSQNLRQEL QKTRQKAQEL AVSTCARLTA VLRDRGLAAD ERAEFERLWV AFSGCLDLLE ADMRRALELG AAFPLHA. The protein encoded by this gene functions as a regulator of G protein-coupled receptor signaling in phototransduct