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