10 20 30 40 50 CUGAAAGCCUCUCCCCU- -| A UG A U GAGAGA GC GCUCUGUG GCUUCCCUU UC UCCUA GCCU \ CG CGGGGCAC CGAAGGGAA GG AGGGU CGGA U GAGACGUCUCCAGACCAC U^ C GU C - GGUCCG 110 100 90 80 70 60