10 20 30 40 50 GGUGAAAUGAAGCCACU----| U GA CCU G GUGUUU AUCUAUC CGGU CUCACUCAA GG UGUGAU G UAGGUGG GCCA GAGUGAGUU CC ACACUA C ACCACAUUUUUACAGCCACUA^ - GC CCU A CCAUGU . 110 100 90 80 70 60