10 20 30 40 50 GCUACAGAGCAAACCAC--| U C UGCGC U U C UUUAUU UAGCAGC GC CC CCAGGGAUA AA AG GG \ AUCGUCG CG GG GGUCCCUAU UU UC CC U CUCCGUCGUCACCACCACC^ C U UCAU- C U A AGAAAC . 110 100 90 80 70