10 20 30 40 50 UGCAGAUUGAUGGCGUA--| G A C UA GUUUU ACUUGUA CUGUGA UGGCA UGG GAAUUCACGG \ UGAACGU GAUACU ACCGU ACC CUUGGGUGCC U AAGUCCAUAACAACUAAAA^ A G U C- UCGAU 110 100 90 80 70 60