Immunogen sequence: MANEVIKCKA AVAWEAGKPL SIEEIEVAPP KAHEVRIKII ATAVCHTDAY TLSGADPEGC FPVILGHEGA GIVESVGEGV TKLKAGDTVI PLYIPQCGEC KFCLNPKTNL CQKIRVTQGK GLMPDGTSRF TCKGKTILHY MGTSTFSEYT VVADISVAKI DPLAPLDKVC LLGCGISTGY GAAVNTAKLE PGSVCAVFGL GGVGLAVIMG CKV