10 20 30 40 50 ACCACUUGGUGUGACAU--| C UUC G A AUGAUUC ACAGCAUGG GU GAGGUCACAUGU GUGC GC \ UGUCGUGCC CA UUCCAGUGUACG CGCG CG A AUAGAGACCGGUCUCUCCG^ A UCC A C UACAAGG . 110 100 90 80 70