10 20 30 40 50 GACCCAGAGUUUGUGAC--| U A G C UGGUAUC GUUG CUAUAUAU CCCU UAGAA CGAAUUUGUG \ UAGC GGUAUAUA GGGG AUCUU GCUUAGACAC U UCUUUGCACUUCAAAAACG^ U A - A UGAUACA . 110 100 90 80 70