10 20 30 40 50 60 AAUGUAUGUAACGGUAA----| ACGG C U A A GUGUCC UGGU UGCGA CGGAUGA GGUUC CA CGACC U ACCG AUGUU GCCUGCU UCAGG GU GCUGG U CCUACUAUUUAGCGACUGUUU^ CA-- U U - G GCAAGC . 110 100 90 80 70