10 20 30 40 50 60 AUGACCCGGAUGGACUGA- U-| U C C GUGACG GCCU CGCUGAG CGGGAAGG AGUUG GGCGGAUU \ CGGG GCGGCUC GCCUUUCC UCAAC CUGCCUGA U UCAUCCACAAUUACUACUG CU^ U - - GCAGAC . 110 100 90 80 70