10 20 30 40 50 60 CACGUGACCAAGAUGGCGUU--| G U G UUUCAU GCUA UUUUGUCUUUGGU AUCUAGCU UAUGA U CGGU AAAACGGAAACCA UGGAUCGA AUACU U ACCAGUUUGCGUCCCUAGCUGU^ A U A UUAUAA 120 110 100 90 80 70