10 20 30 40 50 60 GGAACCGUCCCGUCGUC- U-| C UC G A AGAUGUGG GG UUCC UUAU UUGGCACU GA GAAUUCAC U CC AAGG AAUA AACCGUGG UU CUUGGGUG C GGGCGGACCCACAACCUG UU^ A GA G - CUGAAAGG . 110 100 90 80 70