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