10 20 30 40 50 UGAAAAACUUAAAUUUGCGAAUA--| U A GA AUUUACCUGA UAUA UAAAAGCAUAAAU \ UAAAUGGACU AUAU GUUUUCGUAUUUG A UAUAAAGAUUUAACGAAAAACAAAC^ U C AA . 100 90 80 70 60