10 20 30 40 50 60 70 80 90 100 110 120 UCGAGUCAUUUUGAAGUGUUUU--| CUC A UU GUGUCCAUUUUUUCGACAAGAAUUCCCAUCUCUCGGCGACGGAGCAUCUUUUUGAAAUUACGAGUU CGUCAC CGGAC AGAGUC CCAUCGGCC \ GUAGUG GCCUG UUUCAG GGUGGCUGG A UUUUACCGCGCCACAACAGUUCAC^ UGU C -- ACAAAAAAAUUUAAAGAACACGUUCUGAAGGCAGAGAGCUUUUGUCUCUUUUGAAAAAAUAAAUUA . 230 220 210 200 190 180 170 160 150 140 130