10 20 30 40 50 60 ACAAUCGGCACAAUAGU--| C AC UGAACA GCCUACUCAGAG ACAUACUUCUUUAUGU CCAUA U UGGAUGGGUUUU UGUGUGAAGAAAUGUA GGUAU A GAAGAAGAACCGCCUGUAA^ A A- CGUAAG . 110 100 90 80 70