Immunogen sequence: MAATAVAAAV AGTESAQGPP GPAASLELWL NKATDPSMSE QDWSAIQNFC EQVNTDPNGP THAPWLLAHK IQSPQEKEAL YALTVLEMCM NHCGEKFHSE VAKFRFLNEL IKVLSPKYLG SWATGKVKGR VIEILFSWTV WFPEDIKIRD AYQMLKKQGI IKQDPKLPVD KILPPPSPWP KSSIFDADEE KSKLLTRLLK SNHPEDLQAA NRL