10 20 30 40 50 CUGACCGACCUCUGUUCUGA--| U U A GGUAAUA UAUAAUGAG AAUUUGGUGUU GUGUCA CCU \ AUAUUACUC UUGAACCAUGA CGCAGU GGA A UAUUCGCAAACCUUACGAAAGA^ C U C UAAAGUU . 110 100 90 80 70