10 20 30 40 50 60 UCAUUCUUGAGAGCUCUGAGU--| UACU U ACA GUGGAA GGCAGG GUAAACA CCU CUCUCAGCU A CCGUCU CAUUUGU GGA GAGGGUCGA G AGAAGGGAGGUCGACGAAAGGUU^ CUCU C A-- AGGAAU 120 110 100 90 80 70