10 20 30 40 50 GUAGGAGAUCAAAGAAA--| U UUU U GCACU GAUGC AAACUGU UGCGA GUGUUCCUAAUAU \ CUAUG UUUGAUA ACGUU UACAAGGGUUAUA A UAGGAAGACAGACAUAUAA^ U CGU U UUAAU 110 100 90 80 70 60