Immunogen sequence: KYRDKKKNYK SSGTVVLAQC TVEKVHTFLD YIMGGCQISF TVAIDFTASN GDPRSSQSLH CLSPRQPNHY LQALRAVGGI CQDYDSDKRF PAFGFGARIP PNFEVSHDFA INFDPENPEC EEISGVIASY RRCLPQIQLY GPTNVAPIIN RVAEPAQREQ STGQATKYSV LLVLTDGVVS DMAETRTAIV RASRLPMSII IVGVGNADFS DMR