10 20 30 40 50 60 GCUUUCAGCCUCGUCGA--| G C UC CUCGU UCGG GUGAGCAUGGGAGGGGGGAA GGGCU GACU C AGCC CGCUCGUAUCCUCUCUCUUU UCUGA CUGA U GCUGCCUCGCCUGCUUAAC^ A U -- CGACG . 110 100 90 80 70