10 20 30 40 50 CGUGGCGUGGCCGAUGU--| A GG G U UU UGUGCAG GGC GU CGGGG UGCAUUG AG GCAUUGCA C CCG CG GCCCC ACGUAAC UC CGUAACGU C CGAAAGUCGACACCCCCCC^ A GA G C CC GUAGAGA . 110 100 90 80 70 60