10 20 30 40 50 UCUUCCAGAGCCUCAUCUG --- C UU--| AGGCGGGU UCUGUU GGGCUGGAGG AGGGCCU GUGA G AGGCGG CCCGACCUCC UCCCGGG CGCU G ACAGUCGGAGUACCACUU- AGC U UCUC^ AGACUCGU . 110 100 90 80 70 60