10 20 30 40 50 60 UUGCACCACUGCAAUUGAC- U A- -|UG UA GCGAU GG GAUGGG CCAGUCAGUGG A AUUGU UGAUG G UC UUACCU GGUUAGUCACC U UGACG ACUAU U AUAUAGUCUAACUUCAAAAU U CG A^GU -- UUUAU 120 110 100 90 80 70