10 20 30 40 50 GGCACGUCCUACCGUGUU--| UU A G A U UGACU GUCU ACCGUG AUG CACUAGU GAAU CACGG C UAGA UGGUAC UAC GUGGUCA CUUG GUGCC U CUUUGGAACAGCCUUUCGGC^ UU A A A - UAUAG 110 100 90 80 70 60