10 20 30 40 50 UCCUCUGCAGGCCACGC----| GU C AA AGGCAGG UGA UUGGGGCCCUAC CAG AGGUGCUGAUA \ ACU AGCCCUGGGGUG GUC UCCGCGAUUAU A GCGGUGUCCAUCAAUAUAAUG^ -- A AG UAGACAU 110 100 90 80 70 60