Immunogen sequence: QVDLPMGGVK ALTIDHLAVN DVMLESLRGE GQGLVCDLCN DREVEKRCQT CKANLCHFCC QAHRRQKKTT YHTMVDLKDL KGYSRIGKPI LCPVHPAEEL RLFCEFCDRP VCQDCVVGEH REHPCDFTSN VIHKHGDSVW ELLKGTQPHV EALEEALAQI HIINSALQKR VEAVAADVRT FSEGYIKAIE EHRDKLLKQL EDIRAQKENS LQL