Immunogen sequence: PFSIQLYPNE FPGSDPRDCP RDLPKNAALK LGCINAEYPD SFGHYREAKF SQTKHHWWWK LHFVWERVKI LRDYAGLILF LEEDHYLAPD FYHVFKKMWK LKQQECPECD VLSLGTYSAS RSFYGMADKV DVKTWKSTEH NMGLALTRNA YQKLIECTDT FCTYDDYNWD WTLQYLTVSC LPKFWKVLVP QIPRIFHAGD CGMHHKKTCR PST