10 20 30 40 50 60 GUCCCGUGAGCCUCCCC---| G C UUGUGA GGUUGU UGUCU CUGGGCUGGAGG AGGGCCU AGGCG G GCGGA GACCCGACCUCC UCCCGGG UCCGC C GGAGUCGGAGCACCUCUUAG^ - U UC---- UAGGCU . 110 100 90 80 70