Immunogen sequence: LDGLLETYPW RPSFTLDFKT FGADTQSGSS GSSPVTSSGG APSPLNSLLS PLCFSPMFHL PTSSLGMPCP EAYLPNVNLP LCYKICPTNF WQQQPLVLPA PERLASSNSS QSLAPLMMEV PMLSSLGVTN SKSGSSEDSS DQYLQAPNST NQMLYGLQSP GNIFLPNSIT PEALSCSFHP SYDFYRYNFS MPSRLISGSN HLKVNDDSQV SFG