10 20 30 40 50 GGGGGCGCGGGCCCGCU--| G UA G G CGGGCG CUCAGCC UGCCC GCAGCGG AACAGUACU CAG \ GGGUCGG ACGGG CGUCGCC UUGUUAUGA GUC C GCCCGCCGGACACGUCUCA^ A CC G G UCGGCU . 110 100 90 80 70