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