Immunogen sequence: EEEPLHTILG KTVYTGIDHH WKEAVFATCG QQVDIWDEQR TNPICSMTWG FDSISSVKFN PIETFLLGSC ASDRNIVLYD MRQATPLKKV ILDMRTNTIC WNPMEAFIFT AANEDYNLYT FDMRALDTPV MVHMDHVSAV LDVDYSPTGK EFVSASFDKS IRIFPVDKSR SREVYHTKRM QHVICVKWTS DSKYIMCGSD EMNIRLWKAN ASE