10 20 30 40 50 GUGUGUCUGAUGUGACA----| UCU A- G UGUUU GCU GUAGUACU AAGUGCUUAUAGUGCAG UAG \ CGA CGUCAUGA UUCACGAGUAUUACGUC AUC A CCAGCUUCGACCUCAAGAUGU^ U-- AA - UAUUG 110 100 90 80 70 60