Immunogen sequence: MAAGMYLEHY LDSIENLPFE LQRNFQLMRD LDQRTEDLKA EIDKLATEYM SSARSLSSEE KLALLKQIQE AYGKCKEFGD DKVQLAMQTY EMVDKHIRRL DTDLARFEAD LKEKQIESSD YDSSSSKGKK KGRTQKEKKA ARARSKGKNS DEEAPKTAQK KLKLVRTSPE YGMPSVTFGS VHPSDVLDMP VDPNEPTYCL CHQVSYGEMI GCD