10 20 30 40 50 ACGUGGAACAAAUUGGGC- G ACU-| C UUC GUGAC CCA CG GUUCCGUGCUUC UUAC CCAUA U GGU GC CGAGGUAUGAAG AAUG GGUAU A ACAACUAUAGCUUCUAUUC G GCGU^ A UAA GCAGU 110 100 90 80 70 60