10 20 30 40 50 UGCCGGCGAGUCCGGCC---| C U UA - G C C GUGCAUA GGUG AU CG CCCUUAUCA UUCUC CG CC GU \ CCAC UA GC GGGAAUAGU AAGAG GC GG CA A CUACCUGUUGGACUACUUAA^ - U UC C - A U ACAGAGU . 110 100 90 80 70