Immunogen sequence: MAGLEVLFAS AAPAITCRQD ALVCFLHWEV VTHGYFGLGV GDQPGPNDKK SELLPAGWNN NKDLYVLRYE YKDGSRKLLV KAITVESSMI LNVLEYGSQQ VADLTLNLDD YIDAEHLGDF HRTYKNSEEL RSRIVSGIIT PIHEQWEKAN VSSPHREFPP ATAREVDPLR IPPHHPHTSR QPPWCDPLGP FVVGGEDLDP FGPRRGGMIV DPL