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