10 20 30 40 50 GGAGUGUGGGGUGUCUG--| C C AGAAAG UG UAUGGCAGCCCUAGCA ACAGAUACGCCCAG C AC AUGUCGUCGGGAUCGU UGUCUAUGCGGGUU C GUGGGUCAAACACCAUGUA^ A A GCAAGU 110 100 90 80 70 60