Immunogen sequence: NRMHHHEHHH LQAPNKEDIL KISEDERMEL SKSFRVYCII LVKPKDVSLW AAVKETWTKH CDKAEFFSSE NVKVFESINM DTNDMWLMMR KAYKYAFDKY RDQYNWFFLA RPTTFAIIE Highest antigen sequence identity to the following orthologs: Mouse - 94%, Rat - 94%. This gene encodes