10 20 30 40 50 UGACCCGAGUGUUGGCC---| C U UA - U C C GUGCAU GGUG AU CG CCCUUAUCA UUCUC CG CC GU U CCAC UA GC GGGAAUAGU AAGAG GC GG CA G ACCCCUAACGAACUACUUAA^ - U UC C - A U ACAGAA . 110 100 90 80 70 60