10 20 30 40 50 UUCUUCCUCCCGAGGAAA--| CCUC CC A GA UUAAAUG GGCC UCU GUGUUCAC GCG CCUUGAU \ UCGG AGA CGUAAGUG CGC GGAAUUA U GAGGCCGGAGCUACGACCAG^ AGCA AC G AC ACAUACC . 110 100 90 80 70