10 20 30 40 50 GAGAUGUUGGUGUCCGCACC- CC GU U A-| G GCAUGCA GU AGGGU GUGACUGG UG CCA AGGG C CG UCCCA CACUGAUC AC GGU UCCC U AGAAGGACCCCACGCUAACUA AC AC C CG^ G ACUUGUC . 110 100 90 80 70 60