10 20 30 40 50 AUUGCUGGUGAUGUCCU- U G-| G - UC GAAGA GGGCG GG GGUGGG AGUGCUUC GUGCU UGGUU \ UCUGU UC CCACCC UCACGAAG CACGA ACCAG G UACCAGUGGACUUCGGUG U GA^ - A U- UAAAA 110 100 90 80 70 60