10 20 30 40 50 CCAUACCCCAGGUCCAUA--| G AU - G UGGUCAGC CCUCUG CCC GG UGCAGUGCU CAUCUC \ GGAGAC GGG UC AUGUCACGA GUAGAG U GUCGUCCGUCGACCGAGUCA^ A C- G A UCUGAUGG 110 100 90 80 70 60