10 20 30 40 50 60 UCUGCCGUCCUCAGACU-- G U -| CUU UCUGC GAUUGCUUCCUG AACAA AUC CUGGUGCUG GAGU \ CUGGCGGGGGAC UUGUU UAG GACUACGAC CUCA U CACAUGGGGCUGCUCGUCG G U U^ --- CACCU . 110 100 90 80 70