Immunogen sequence: YQDTWMKYEY EVDKDFSSKL RINIDITVAM KCQYVGADVL DLAETMVASA DGLVYEPTVF DLSPQQKEWQ RMLQLIQSRL QEEHSLQDVI FKSAFKSTST ALPPREDDSS QSPNACRIHG HLYVNKVAGN FHITVGKAIP HPRGHAHLAA LVNHESYNFS HRIDHLSFGE LVPAIINPLD GTEKIAIDHN QMFQYFITVV PTKLHTYKIS ADT