Immunogen sequence: MAATCEISNI FSNYFSAMYS SEDSTLASVP PAATFGADDL VLTLSNPQMS LEGTEKASWL GEQPQFWSKT QVLDWISYQV EKNKYDASAI DFSRCDMDGA TLCNCALEEL RLVFGPLGDQ LHAQLRDLTS SSSDELSWII ELLEKDGMAF QEALDPGPFD QGSPFAQELL DDGQQASPYH PGSCGAGAPS PGSSDVSTAG TGASRSSHSS DSG