10 20 30 40 50 UCUUUAUGAAGGCUGCACCAU--| U ACG U ACG CGUCU GGGUUAGUU GCACG CAGUUG AUC G \ CCCGGUCAA UGUGC GUUAAC UAG C C CAGGCAGGUUUCAGCGGCAGAAU^ U CAA - CGA GACUU 110 100 90 80 70 60