10 20 30 40 50 GCUCGGUGGUGUUGGAU--| G C UUU AUUCU GAGCCCUC GAGGACUC AUUUG UGAUGAUGG \ CUUGGGAG CUUCUGAG UAAAC GCUACUACC U AGGUUGGCUGCUUUACUAU^ A - UCU UCGUA 110 100 90 80 70 60