10 20 30 40 50 AUCGGGUUGCCAAACAU--| UCGU C U AA GCU AGCC UCCCU ACUCCCGUUG CCU GCGUU C UCGG AGGGG UGAGGGUAGU GGA CGCAG C AGGCCAUUUCCUGCUUUCA^ CUCU C U AA AGC 110 100 90 80 70 60