10 20 30 40 50 CCCCCGCCCCCACCUGGCA---| CAGCC C U CCU A GUGACGC CG UCCA CACC CC GC AACGUCCA \ GC AGGU GUGG GG CG UUGCAGGU A CGCCCCCGGGCCGCCCCCCCAG^ UGAC- C C UCU G AAUGGAG . 110 100 90 80 70