10 20 30 40 50 60 GAGACACGCUUGUGACG- -| UG GA C A AC GAAGUCAACAAU CAG GU U CC UGAUCUUCCC GCAU CUCAU \ GUC CA A GG ACUGGAAGGG UGUA GAGUG C UUAAUAGGGCCACUGUCC U^ GU GA C C GA ACCAAUAAACAG . 120 110 100 90 80 70