10 20 30 40 50 UUAAGCUAAAUUUUAGUG--| U AA A C AAAAAU AAUUUAUUGCUG GUUGGCAU GU GUAC AUG \ UUAAAUAAUGAC CAGCCGUA CA CAUG UAU U AGAGGUGAACGACCUUAACA^ U CC G A CUAAGU 110 100 90 80 70 60