10 20 30 40 50 UGUCAGAAUUCGUGUCGA--| CUU A C GUGUCCG GCUAUCACCUG CAAGU AUC AGGAUAGGCU \ UGGUAGUGGAC GUUCA UAG UCUUAUCCGG U AGAAACCUCCACACUUCGUC^ UCU G C UGGAAUU . 110 100 90 80 70