10 20 30 40 50 GCGGGGGUCCCGGGCGGC--| C UG GG C U UGUGAGC UCCUGC C C ACAGUCAG AG UGGUCUG A GGGACG G G UGUCGGUU UC ACUAGAC G UCGGGGGCUCCACCCCACGA^ U GU GG C C UCUUGCC 110 100 90 80 70 60