10 20 30 40 50 CACGUCACCUGAUAUCA- A-| A ACAGACAG GGU UUUACUCUG ACUAGCUCUGUGGAUCCUG \ CCA AAAUGAGAC UGAUCGAGACACCUAGGAC C UGUUGGUGUCGACUAAAU GA^ C AGAUAGUC 110 100 90 80 70 60