10 20 30 40 50 60 CCCAGCCGUCAGCUCCU-- U C -| CCA GGGU G UCGUUCCUUGCAACAA AUC CUGAUGCUG GAGC C C AGCGAGGGACGUUGUU UAG GACUACGAC CUCG U ACGUCCUGUGCUUCACUCG U U U^ --- GUGG . 110 100 90 80 70