10 20 30 40 50 GUGUGUACGAUGUGACA----| UCU C A- G UGUUU GCU GUAG ACU AAGUGCUUAUAGUGCAG UAG \ CGA CGUC UGA UUCACGAGUAUUACGUC AUC A UCGGCUUCAACCUCAAGAUGU^ U-- A AA - UAUUG 110 100 90 80 70 60