10 20 30 40 50 60 CACUUCCCAUUCUGCUU--| UG C UG U UGUUGUGA GCUC GUGGAGG AU CACAC ACCAAGUUGCA \ UGAG UACUUUC UA GUGUG UGGUUCGACGU G CAGUAUGGUCACGCGUACG^ UG A GU - GACUCCGA 120 110 100 90 80 70