10 20 30 40 50 UUUCACUGUUGGCUGAUGC- UU-| C G UGU CA GGCGGAGGCGGGUGUG UGUCUGGU CGUG U GU CCGUCUCUGCUUACAC AUAGAUCA GUAC U GUAUUGUCCUGCUCCCACGA UCU^ A - CAC 110 100 90 80 70 60