10 20 30 40 50 60 CACGUGCAGACCCUCUGAA-| AU UU C UGUGCA GGG CACCUUUGCU AACAUGGGAGUAC UGC A CCU GUGGAGGCGA UUGUACCUUCGUG AUG A UCAACUUUUACACAGCGAAA^ CU CU A AAAGUA . 110 100 90 80 70