10 20 30 40 50 GCAGCUUGGAAAUAACA--| G AGAUUUA C AG AU UCUGAG GA GAACC AGCUG UUUCACU A AGACUC CU CUUGG UUGAC AAAGUGA A GAGUGAAACACCUGUCUAC^ A ACCAUAC C CA GG 110 100 90 80 70 60