10 20 30 40 50 GGAGAAAGGCAAACCAA--| U UUU U GUACU GAUGC GAACUAU UGCGA GUGUUCCUAAUAU \ CUACG CUUGGUA ACGUU CGUAGGGGUUAUA A CCACUGACAGGUAUACUAC^ U CUU U UGAGU 110 100 90 80 70 60