10 20 30 40 50 UACUGGAAGAUGCAAAC--| U U AAU C A UUCUU AGUUC GUGG AC ACCUCAGU UU UCAGGUG \ UCAAG CACU UG UGGAGUCG AA GGUCCAC U ACAGUAGAACUCCGAAGAC^ U U CGU U A UAAAA 110 100 90 80 70 60