Immunogen sequence: VFISTRHGTW VMSRISEDGY PWDSVFHTRF RSMLRNVLPR TAVKWMIEQQ MNRWFNHENY GLEPQNKYIM KEPVLNDDVP SRLLCGAIKV KSTVKELTET SAIFEDGTVE ENIDVIIFAT GYSFSFPFLE DSLVKVENNM VSLYKYIFPA HLDKSTLACI GLIQPLGSIF PTAELQARWV TRVFKGLCSL PSERTMMMDI IKRNEKRIDL FGE