10 20 30 40 50 UGACUCGGUGCCGAUUC--| G C UG U U G GUGAUGU CU GGCUCUGA C AGACCUC GGG UCU AGCU \ GG CUGGGACU G UCUGGGG CUC AGG UCGA C CGAGAGCCUUGGGUGUCCG^ G U GU C U G GUCUUCG . 110 100 90 80 70