10 20 30 40 50 CCUGUUUCCAAAGACCU--| G UC A G GUGUA GGGU GGUUUUUG UUUGGUU UCUAGCU UAUGA U CUCG CCAAAAAU AAGCCAA AGAUCGA AUACU G CCCUCAGCGCCUCUCCUCG^ G GU C A AUAGU . 110 100 90 80 70 60