Immunogen sequence: KMVHNGIEYG DMQLICEAYH LMKDVLGMAQ DEMAQAFEDW NKTELDSFLI EITANILKFQ DTDGKHLLPK IRDSAGQKGT GKWTAISALE YGVPVTLIGE AVFARCLSSL KDERIQASKK LKGPQKFQFD GDKKSFLEDI RKALYASKII SYAQGFMLLR QAATEFGWTL NYGGIALMWR GGCIIRSVFL GKIKDAFDRN PELQNLLLDD FFK