10 20 30 40 50 60 UUUCUGGACGCAGAGGC- CUCC-| C U C UCAGGACU UCCA GUCUG CCAGUGU CGGACUAC UGU A GGGU CGGAU GGUUACA GUCUGAUG ACA C UGUCAGAUACACCAUAUA CGUGU^ U C - UGUUAGAG . 110 100 90 80 70