Immunogen sequence: GFLDSTVGIK EKSIYLRLWK RNHCNHRDYQ NISRNGASSR NLKKFIESLS RNKVLDYPAI VIYAMIGNDV CSGKSDPVPA MTTPEKLYSN VMQTLKHLNS HLPNGSHVIL YGLPDGTFLW DNLHNRYHPL GQLNKDMTYA QLYSFLNCLQ VSPCHGWMSS NKTLRTLTSE RAEQLSNTLK KIAASEKFTN FNLFYMDFAF HEIIQEWQKR GGQ