10 20 30 40 50 CCCUUCCUCAGGAGAAAA--| C - CU A GA UUAAAUG GG UCCUG UCU GUGUUCAC GCG CCUUGAU \ CC AGGGC AGA CGUAAGUG CGC GGAAUUA U ACGCCAUUGCCACGAGCCGG^ - U AC G AC ACAUACC . 110 100 90 80 70