Immunogen sequence: TATQTSPVPL TPESPLFQNF SGYHIGVGRA DCTGQVADIN LMGYGKSGQN AQGILTRLYS RAFIMAEPDG SNRTVFVSID IGMVSQRLRL EVLNRLQSKY GSLYRRDNVI LSGTHTHSGP AGYFQYTVFV IASEGFSNQT FQHMVTGILK SIDIAHTNMK PGKIFINKGN VDGVQINRSP YSYLQNPQSE RARYSSNTDK EMIVLKMVDL NGD