10 20 30 40 50 60 CCUCCGCCACGUGGUGA--| G C CC ACGCAGC UUC GCUGAGGCAAUGUGC UCUUUACGU CCAU U GAG CGGCUUCGUUGCAUG AGAAAUGUA GGUA C CAGCCCGGCCCAGCGAGUC^ G A A- UCUGAGU . 110 100 90 80 70