10 20 30 40 50 GUUCUGCUGGAGACCGA-- U UG AA-| U G GUCG GCC UGGU UGU AAGUGCUUAUAG GCAG UAG G CGG ACCA ACA UUCACGAGUGUC CGUC AUC U UUCGGGGUUUAGUAGGUAA C GU ACC^ C - AAUG 110 100 90 80 70 60