Immunogen sequence: KYPDILNFVD DLEPLDKASK VSVETLEKNL RQMGRQLQQL EKELETFPPP EDLHDKFVTK MSRFVISAKE QYETLSKLHE NMEKLYQSII GYYAIDVKKV SVEDFLTDLN NFRTTFMQAI KENIKKREAE EKEKRVRIAK ELAERERLER QQKKKRLLEM KTEGDETGVM DNLLEALQSG AAFRDRRKRT PMPKDVRQSL SPMSQRPVLK VCN