10 20 30 40 50 GAGAGAGAGAGAGAGAGAA-- C-| GA G GG C GUACGU CA CGUAGG ACAC GGUUUCACU CAC CA U GU GCAUCU UGUG CCGGAGUGA GUG GU G UACUAGCUUGACACCACGCUG UC^ GG A AA U UUACAG . 110 100 90 80 70 60