10 20 30 40 50 60 ACCUUGCUUUCGGUGGA--| UC - C A UUGUU UUGGU GCUC GGU GUAAGC AGUGUUC GUCUA UCACA \ UGGG CCA CGUUCG UCACAAG UAGAU AGUGU U UUCAUCGUCGCGACUGGUU^ U- A C C C---- UAGCU . 110 100 90 80 70