10 20 30 40 50 UUGGAAACUAGUGUUUCAAAAAUAAAUUAAU--| UU C UAG CCCUCUC UCUAGUU UUCC A GGGAGAG GGGUCGA AAGG G AAAUUAAUCAAUUAAUUAAUCAAUUAAACAAAC^ UU A AGU 110 100 90 80 70 60