Immunogen sequence: AGFVPCSQSG DAGRRGVSQA PTAARSEGDC EETVAGPGEE TVAGPGEGTV APTALQGPSP GSPGQEQAAE GAPEHHRSRR CTCFTYKDKE CVYYCHLDII WINTPEQTVP YGLSNYRGSF RGKRSAGPLP GNLQLSHRPH LRCACVGRYD KACLHFCTQT LDVSSNSRTA E. The protein encoded by this gene is a member