Immunogen sequence: MQHARKAGLV IPPEKSDRSI HLACTAGIFD AYVPPEGDAR ISSLSKEGLI ERTERMKKTM ASQVSIRRIK DYDANFKIKD FPEKAKDIFI EAHLCLNNSD HDRLHTLVTE HCFPDMTWDI KYKTVRWSFV ESLEPSHVVQ VRCSSMMNQG NVYGQITVRM HTRQTLAIYD RFGRLMYGQE DVPKDVLEYV VFEKQLTNPY GSWRMHTKIV PPW