Immunogen sequence: MLEPQENGVI DLPDYEHVED ETFPPFPPPA SPERQDGEGT EPDEESGNGA PVPVPPKRTV KRNIPKLDAQ RLISERGLPA LRHVFDKAKF KGKGHEAEDL KMLIRHMEHW AHRLFPKLQF EDFIDRVEYL GSKKEVQTCL KRIRLDLPIL HEDFVSNNDE VAENNEHDVT STELDPFLTN LSESEMFASE LSRSLTEEQQ QRIERNKQLA LER