Immunogen sequence: IPSYLSSQGT LSEPQEGYSN SEAGSHQQLM PPANGYIHKG TDGGTGTRVI CSDCYDNANI YSRTREYCPY TYIAEEDVLD QTLSSLMVQM PKETYLVHPP QDTTALESLI PSANREPSAF PTNHERISEK KLPSTQMSGE TLQRPVWNIN RELGLPHPPF SQQPVHESPQ LHQNEGLAGR EPDCSASSMS CHRLQDHAF Highest antigen