10 20 30 40 50 GUCCUCCGGAGCCUCAU-- GUU C UU--| AGGCGGGU CUGUCU GGGCUGGAGG AGGGCCU GUGA G GGCGGA CCCGACCUCC UCCCGGG CGCU G GUCGUCGGAGCGCCACUUA GC- U UCUC^ AGACUCGU . 110 100 90 80 70 60