10 20 30 40 50 UCCCAAUUCAACGGAUU- UAUCA-| G UC GUGUA AUUGUGAU UGG AUAAUUGG GGCAUUGUG A UAAUACUA ACC UAUUAACC CCGUAAUAU U AAAAUUUUGUUACAUAUG UAUACA^ A C- GUAGU 110 100 90 80 70 60