10 20 30 40 50 UGUAGCCGUUAACCCAU--| UG U CA U GGGAAU GUGACU UGGGC UCCCUUUGU UCCUA GCCU A CAUUGA ACUUG AGGGAAACG AGGGU CGGG U CCAGUUAUCCUACGGCGAC^ CA U UA - GAAGUA 110 100 90 80 70 60