10 20 30 40 50 AUUAUCGGAGAUACACC---| U UA - G C C GUUAUAU GGUG AUUCG CCCUUAUCA UUCUU CG CC GU \ CCAC UGGGC GGGAAUAGU AAGAG GC GG CA U GACCAGGGUGCAACCUAGUU^ - CC C - A U GCGGUUG . 110 100 90 80 70