Immunogen sequence: KNFRVAAAMK TSVLLSWEVP DSYKSAVPFK ILYNGQSVEV DGHSMRKLIA DLQPNTEYSF VLMNRGSSAG GLQHLVSIRT APDLLPHKPL PASAYIEDGR FDLSMPHVQD PSLVRWFYIV VVPIDRVGGS MLTPRWSTPE ELELDELLEA IEQGGEEQRR RRRQAERLKP YVAAQLDVLP ETFTLGDKKN YRGFYNRPLS PDLSYQCFVL ASL