10 20 30 40 50 60 UGUCCCGUGAGCCUCCC--| G C UUGUGA GGUUGU CUGUCU CUGGGCUGGAGG AGGGCCU AGGCG G GGCGGA GACCCGACCUCC UCCCGGG UCCGC C GGAGUCGGAGCACCUCUUA^ - U UC---- UAGGCU . 110 100 90 80 70