10 20 30 40 50 60 GCUAACAACUUAGUAAUA--| C AC UGAACA CCUACU AGAGUACAUACUUCUUUAUGU CCAUA U GGAUGG UUUUAUGUAUGAAGAAAUGUA GGUAU A AAGGAGAACCACCAAAUAAC^ U A- CGUAAC . 110 100 90 80 70