10 20 30 40 50 GCGCCGGGACCGCUGCG--| C G AU A AGGUU GAAUUCU GGCUUU AGAACUGA UCCA GGGUUG U UUUGGGG UCGAGG UCUUGACU AGGU CCCGAC A AGGGUCGCCACAGCAAAUC^ U - CC A CAGCC 110 100 90 80 70 60