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