10 20 30 40 50 CUGCUCUGUACCAUAUA- ACU-| G UG C CGGCUGGC CCU UGU C GGCUUGUUUU AGUUGCCUG U GGA ACG G CUGAACGAAA UCGACGGAC A AAGCAAAGACGGCCAAGU AAGU^ G GU - UCAGUAUA 110 100 90 80 70 60