Immunogen sequence: MATGANATPL DFPSKKRKRS RWNQDTMEQK TVIPGMPTVI PPGLTREQER AYIVQLQIED LTRKLRTGDL GIPPNPEDRS PSPEPIYNSE GKRLNTREFR TRKKLEEERH NLITEMVALN PDFKPPADYK PPATRVSDKV MIPQDEYPEI NFVGLLIGPR GNTLKNIEKE CNAKIMIRGK GSVKEGKVGR KDGQMLPGED EPLHALVTAN TME