Immunogen sequence: DKVESGKTSV VVHCSDGWDR TAQLTSLAML MLDGYYRTIR GFEVLVEKEW LSFGHRFQLR VGHGDKNHAD ADRSPVFLQF IDCVWQMTRQ FPTAFEFNEY FLITILDHLY SCLFGTFLCN SEQQRGKENL PKRTVSLWSY INSQLEDFTN PLYGSYSNHV LYPVASMRHL ELWVGYYIRW NPRMKPQEPI HNRYKELLAK RAELQKKVEE LQR