Immunogen sequence: CSSILQTEER NWVSVTSPVQ ASACRNILER NQTHAIYKNT LSLVNDFIIR DTILNINFQC AYPLDMKVSL QAALQPIVSS LNVSVDGNGE FIVRMALFQD QNYTNPYEGD AVELSVESVL YVGAILEQGD TSRFNLVLRN CYATPTEDKA DLVKYFIIRN SCSNQRDSTI HVEENGQSSE SRFSVQMFMF AGHYDLVFLH CEIHLCDSLN EQC