Immunogen sequence: MFPVAPKPQD SSQPSDRLMT EKQQEEAEWE SINVLLMMHG LKPLSLVKRT DLKDLIIFDK QSSQRMRQNL KLLVEETSCQ QNMIQELIET NQQLRNELQL EQSRAANQEQ RANDLEQIME SVKSKIGELE DESLSRACHQ QNKIKDLQKE QKTLQVKCQH YKKKRTEQEE TIASLQMEVC RLKKEEEDRI VTQNRVFAYL CKRVPHTVLD RQL