Immunogen sequence: DVTRLVVYVS QDCTVYKADV ARLVARPDPT AEWKSVVILV PVRLGGETLN PVYVPCVKEL LRCELCLGIM GGKPRHSLYF IGYQDDFLLY LDPHYCQPTV DVSQADFPLE SFHCTSPRKM AFAKMDPSCT VGFYAGDRKE FETLCSELTR VLSSSSATER YPMFTLAEGH AQDHSLDDLC SQLAQPTLRL PRTGRLLRAK RPSSEDFVFL Pos