10 20 30 40 50 NNNNNNNNNNNNNNNNNNNNUUUUUUUUUCUC--| A G GUUUA UUUGGUU UCUAGCU UAUGA U AAGCCAA AGAUCGA AUACU G GAGGCGGCACUGCUGACGUCUUAAUCAAAUAUGU^ G A AUAAA . 110 100 90 80 70 60