10 20 30 40 50 60 UUCUUGUCCGUGCUGCU--| C UG A G UUCGCUUUAU GUUU AUACU AGGAGAAAUU UCCUUG UGUG \ UAAA UAUGA UUUUCUUUAA AGGAAC AUAC U CCUUCAGGCGGCUCCGUCC^ C GU C - UAAGUAGUAU 120 110 100 90 80 70