10 20 30 40 50 AUUGGGGCCUCAGCGCU--| A CU A U GGGGU GGUGUCC UCCG GUAACAGCA CUCCAUG GGGA \ CCACGGG AGGU UAUUGUCGU GGGGUGC CCCU C GGUAGACAGGCAGCGAGGG^ C CU C - GGUGC 110 100 90 80 70 60