10 20 30 40 50 60 UUGGUCGACACAGAGCC- CUCC-| C U C U AGGACU UCCA GUCUG CCAGUGU CGGACUAC UGU C A GGGU CGGAU GGUUACA GUCUGAUG ACA G C UGACACAUACGCCAUAUA CGUGU^ U C - U UUAGAG . 110 100 90 80 70