10 20 30 40 50 CCACGGUGGUGUUGGAU--| G C UUU UUCU GAGCCCUC GAGGACUC AUUUG UGAUGAUGGA \ CUUGGGAG CUUCUGAG UAAAC GCUACUACCU U AGGUAGGCUGCUGUACUAU^ A - UCU CGCA 110 100 90 80 70 60