10 20 30 40 50 CGCGGCCCGCGGUCGGUA -- -| C U C UGAUUGCA GUUG GGGGAUG GGAA GGC UCAUA AGGAGU C CAAC CUCCUAC UCUU CCG AGUAU UCCUCG A CAGGCCUCCGACACGCAC UU U^ U U A ACCUACUG . 110 100 90 80 70 60