10 20 30 40 50 60 AUUCUGGACUGAGAGAA- CUCC-| UC U C U GGACU UCCA GUCU CCAGUGU CGGACUAC UGU CA A GGGU CGGA GGUUACA GUCUGAUG ACA GU C GGUCUUGGACGACACAUA CGUGU^ UU C - U UAGAA . 110 100 90 80 70