Immunogen sequence: MQPQSVLHSG YFHPLLRAWQ TATTTLNASN LIYPIFVTDV PDDIQPITSL PGVARYGVKR LEEMLRPLVE EGLRCVLIFG VPSRVPKDER GSAADSEESP AIEAIHLLRK TFPNLLVACD VCLCPYTSHG HCGLLSENGA FRAEESRQRL AEVALAYAKA GCQVVAPSDM MDGRVEAIKE ALMAHGLGNR VSVMSYSAKF ASCFYGPFRD AAK