10 20 30 40 50 AACCUUGUGCUUGGAAG--| ACCCU C C A UGUCAU CCUUAAGGU AGCAGCA AU AUGA UUGUA A GGAAUUUUA UCGUCGU UA UACU AACGU G UUGACGUUCACUAAUAGAA^ AGAUU U U G AUAAAU . 110 100 90 80 70 60