10 20 30 40 50 AGGAUCCUGGCUGACUUACG----| AU AGC GUGAUAG GC GGUGUG AGGUCACGUGUGGUGCAGC \ CG CCACAU UCCAGUGUGCGCUACGUCG U UUAGAGGUCAUCCUCUCUGCUUCA^ -- CCC UAUAAGG . 110 100 90 80 70