Immunogen sequence: MADYSTVPPP SSGSAGGGGG GGGGGGVNDA FKDALQRARQ IAAKIGGDAG TSLNSNDYGY GGQKRPLEDG DQPDAKKVAP QNDSFGTQLP PMHQQQSRSV MTEEYKVPDG MVGFIIGRGG EQISRIQQES GCKIQIAPDS GGLPERSCML TGTPESVQSA KRLLDQIVEK GRPAPGFHHG DGPGNAVQEI MIPASKAGLV IGKGGETIKQ LQE