10 20 30 40 50 CACUUGCCGUCUGAAGG---| CCCU C UC U C- UC UGUAAA GC GCUG UG CUUCAU CCAC GGA CUG \ CG CGAU AC GAAGUA GGUG CCU GAC U GGGAACCAUCCACGAGUGUC^ AGU- U GU C AC UA CUAAUA . 110 100 90 80 70 60