10 20 30 40 50 UCAACUUUUUGGCAAGAA--| C UU C ACAUA GGGAUC UCUUCGCU AACAUGGGGGUAC UGCU A CCUUAG AGAGGUGA UUGUACCUUCGUG AUGA U UGAACUUUGACACGGGUAAA^ A CU A AAAAU . 110 100 90 80 70 60