Immunogen sequence: MRHNQMCCET PPTVTVYVKS GSNRSHQPKK PITLKRPICK DNWQAFEKNT HNNNKSKRPK GPCLVIQRQD MTAFFKLFDD DLIQDFLWMD CCCKIADKYL LAMTFVYFKR AKFTISEHTR INFFIALYLA NTVEEDEEET KYEIFPWALG KNWRKLFPNF LKLRDQLWDR IDYRAIVSRR CCEEVMAIAP THYIWQRERS VHHSGAVRNY NRD