10 20 30 40 50 UUGAGUUAAAGCCUUGGCGUUCA-- U GU-| CCA CGUAU GGGUAUGU UUCU UGCG AGGGCAUA \ UCUAUACA AAGA AUGC UCUCGUAU U UGCUUCAGUCACCUCUUCCCCGCUA U ACC^ UG- CAUCU 110 100 90 80 70 60