10 20 30 40 50 GCAAUUGUCAGGACAGCC---| UU A U C UGGAUAU CAGCC GGC CAUUCUAAC GGGAG ACUUAU G GUCGG CCG GUAGGAUUG CUCUC UGAAUA U AGAAUUCUCCUCGAGCUAGGA^ U- A U A CCAAGAA . 110 100 90 80 70 60