10 20 30 40 50 60 UCCCAGGCCGGCUGUUA--| CAAUGA U CU A UUGGGAU GAGGACUC ACA UCAACG GUCGGUG GU \ UUCCUGGG UGU AGUUGC CAGCCAC CA U CAUUUCAUCACAACAGACA^ AUUCCA C -- - AAAAAGU . 110 100 90 80 70