10 20 30 40 50 AAGAUGUCUCCGGCCGU- A-| C C C UGGGGUU GUGAC CUCCGGG UAAGUACUAG GC GUAGGAG \ CACUG GGGGCCC AUUCGUGGUU CG CGUCCUC U ACCCACUUCGCGACGUUG CG^ C C A AUCGGCU . 110 100 90 80 70