10 20 30 40 50 CCACGUCCGGAACCGAAA- G-| UGC GC - UUAGAC GGU CUUAU AGCUGCUG CAC UGCACAAGA \ CCG GAAUG UCGGCGAC GUG GCGUGUUCU U CCGACCGACAACGAAGAUA GA^ UUA A- U CAGAAU 110 100 90 80 70 60