Immunogen sequence: MSLVCLTDFQ AHAREQLSKS TRDFIEGGAD DSITRDDNIA AFKRIRLRPR YLRDVSEVDT RTTIQGEEIS APICIAPTGF HCLVWPDGEM STARAAQAAG ICYITSTFAS CSLEDIVIAA PEGLRWFQLY VHPDLQLNKQ LIQRVESLGF KALVITLDTP VCGNRRHDIR NQLRRNLTLT DLQSPKKGNA IPYFQMTPIS TSLCWNDLSW FQS