10 20 30 40 50 60 CUCCUCCCAGAUUCCGACU- -| UG U GU U GUGGGUUGCACC GCC CUU GGG GAG AGUAGGUUGU UAGUU \ CGG GAA CCU UUC UCAUCUAACA AUCAA C UGAGGGUGCUACUGUAGUGU U^ GU - UG U UAGGUUUGCAGC . 120 110 100 90 80 70