10 20 30 40 50 AAACUGGCCAUUAAUCU----| UC CAU U A- GUAACA GAGU CAGUU GUAAACAUCC AC CUCAGCU C UUCA GUCGA CAUUUGUAGG UG GGGUCGG A UACAAUUAUCCGACAAUAAGG^ -- CUU - GA CUAGGU . 110 100 90 80 70 60