10 20 30 40 50 CACAUCACCUGAUGUCA- A-| A C C AUAGACAG GGU UUUACUCUG ACUAGCUCUG GGAU CUG \ CUA AAAUGAGAC UGAUCGAGAC CCUA GAC C UGUUGGUAUCGACUGAAU GA^ C A U AGAUAGUC 110 100 90 80 70 60