10 20 30 40 50 60 AAACCUUCUUUAACGUGC- AA-| U G U A GUUCAGACAGU GGAA AU AGUU GAAGACAG CGUAU GUUAUC \ CCUU UG UCAA CUUCUGUU GCGUA CAAUAG U AGCUAACUUAAUACCGGUA AUA^ C A U - UCUCAACAACA . 120 110 100 90 80 70