Immunogen sequence: MADPGMMSLF GEDGNIFSEG LEGLGECGYP ENPVNPMGQQ MPIDQGFASL QPSLHHPSTN QNQTKLTHFD HYNQYEQQKM HLMDQPNRMM SNTPGNGLAS PHSQYHTPPV PQVPHGGSGG GQMGVYPGMQ NERHGQSFVD SSSMWGPRAV QVPDQIRAPY QQQQPQPQPP QPAPSGPPAQ GHPQHMQQMG SYMARGDFSM QQHGQPQQRM SQF