10 20 30 40 50 60 UCAUCCUCAACACAGGU----| CCA - U C U A CGCUGUCA UGUG UCCGGC CGCCUGA ACUUU G CUCA CCU G ACAC AGGCCG GUGGACU UGAAA C GAGU GGA A UGGUUAAUCCGUUUCAUACCC^ A-- U U - - - UGCUGGUU 120 110 100 90 80 70