Immunogen sequence: SQDASDGLQR LHMLQISYFR DPYHVWYQGN ASLGGHLTHV LEGPDTNTTI IQLQPLQEPE SWARTQSGLQ SYLLQFHGLV RLVHQERTLA FPLTIRCFLG CELPPEGSRA HVFFEVAVNG SSFVSFRPER ALWQADTQVT SGVVTFTLQQ LNAYNRTRYE LREFLEDTCV QYVQKHISAE NTKGSQTSRS YTS. The protein encoded