10 20 30 40 50 GUUCAUCUCUGAAUGAU--| AAG AAC UUU GGUU GCCCU CCCUA AGUAAGAG AUGUGCUGA A UGGGA GGGAU UCAUUCUC UACACGACU A UACACUGUCCGGCUAUCUU^ AAA GU- UGU UAAA 110 100 90 80 70 60