10 20 30 40 50 AGAUCCUGGAAGGUUUCAGAAA- GUC-| A A AAGUAAUGUGA GGUGU UGGGGUUU UACG GCAU \ UCACA AUCCUAAA AUGC CGUA U CCUCUCCAGUGCUUCAAUAAAAG AUAA^ G C ACAUUUUAGAU . 110 100 90 80 70