10 20 30 40 50 60 AAAUACAAUAUUCAGCAAAA--| AUAAA CU UUACU GGUUGCG CAUUCAUUG GUCGGUGGGUU U CCAACGU GUAAGUGAC UAGUCACUCAA U GAAAUCACUUGUCUCUACAAAC^ CAAAC -- CAAAU . 110 100 90 80 70