10 20 30 40 50 UUGGUGGUGGCAUUUAGCCG--| U U UC U CAGCA GUGUGCGG GUACCCG AGC CGAAA CGUGU U UACGCGUC CGUGGGC UCG GCUUU GCACA U UCCGUCGAGUCUGGGGCCUUUA^ C - UU - UAAGU 110 100 90 80 70 60