10 20 30 40 50 AGGGUCCCCGAAAUAAA--| U AA A G C GAAAC ACCCA GG GGG ACGGCUCU CAAGC GGGGAU \ UGGGU CC CUC UGCUGAGA GUUCG UCUCUA A CACACAACACUUCUUUUCG^ U GG A A U UCAAA 110 100 90 80 70 60