10 20 30 40 50 CCACACGGAGAAGAGAUUAU- AAA- C U A --| UGAAAGU CCGAC UUUAGG UUUCU GG GCAU UCG \ GGUUG AAAUCC AAAGA CC CGUA AGC U GGGGCAAGCACAACUUAAAAU AAUC U C C AA^ GUAACCU . 110 100 90 80 70 60