Immunogen sequence: EVCDEEALLG MDLVRLGLER ADTAEKALNV IVDLLEKYGQ GGNCTEGRMV FSYHNSFLIA DRNEAWILET AGKYWAAEKV QEGVRNISNQ LSITTKIARE HPDMRNYAKR KGWWDGKKEF DFAAAYSYLD TAKMMTSSGR YCEGYKLLNK HKGNITFETM MEILRDKPSG INMEGEFLTT ASMVSILPQD SSLPCIHFFT GTPDPERSVF KPF