Immunogen sequence: ESIIVSLVYT EGGSRILPSS DTVRVNILAN DNVAGIVSFQ TASRSVIGHE GEILQFHVIR TFPGRGNVTV NWKIIGQNLE LNFANFSGQL FFPEGSLNTT LFVHLLDDNI PEEKEVYQVI LYDVRTQGVP PAGIALLDAQ GYAA. This gene encodes a member of the G-protein coupled receptor superfamily.