Immunogen sequence: MSWIPFKIGQ PKKQIVPKTV ERDFEREYGK LQQLEEQTRR LQKDMKKSTD ADLAMSKSAV KISLDLLSNP LCEQDQDLLN MVTALDTAMK RMDAFNQEKV NQIQKTVIEP LKKFGSVFPS LNMAVKRREQ ALQDYRRLQA KVEKYEEKEK TGPVLAKLHQ AREELRPVRE DFEAKNRQLL EEMPRFYGSR LDYFQPSFES LIRAQVVYYS EMH