10 20 30 40 50 GGCUGGAGCCGUGCUGA--| GA U UU A C GUUCAGU GGCUGU CU GA CAAGUA UC AGGAUAGGCU \ CCGACG GG CU GUUCAU AG UCCUGUCCGG G CCAGCUCCCGCUACCCGUA^ GA U CG C U UCUCAAA . 110 100 90 80 70