Immunogen sequence: MVSKSDQLLI VVSILEGRHF PKRPKHMLVV EAKFDGEQLA TDPVDHTDQP EFATELAWEI DRKALHQHRL QRTPIKLQCF ALDPVTSAKE TIGYIVLDLR TAQETKQAPK WYQLLSNKYT KFKSEIQISI ALETDTKPPV DSFKAKGAPP RDGKVPAILA GLDPRDIVAV LNEEGGYHQI GPAEYCTDSF IMSVTIAFAT QLEQLIPCTM KLP