10 20 30 40 50 GAGAUGUUGGUGCCAGCACCAUCC-- GU U A-| G CGUGCGC AGGGU GUGACUGG UG CCA AGGG \ UCCCA CACUGAUC AC GGU UCCC U CAGAAGGACCCCACCCCAACUACGAC AC C CG^ G ACUUGUG . 110 100 90 80 70 60