Immunogen sequence: IIRAHEAQDA GYRMYRKSQT TGFPSLITIF SAPNYLDVYN NKAAVLKYEN NVMNIRQFNC SPHPYWLPNF MDVFTWSLPF VGEKVTEMLV NVLSICSDDE LMTEGEDQFD VGSAAARKEI IRNKIRAIGK MARVFSVLRE ESESVLTLKG LTPTGMLPSG VLAGGRQTLQ SATVEAIEAE KAIRGFSPPH RICSFEEAKG LDRINERMPP RKD