10 20 30 40 50 GUAUUAACUCAUGUAAUCG--| C AGAACUC UAUUUGCUCAUAGAUGAUAUGCAUAGUACU CC \ AUAAGCGAGUAUCUACUAUACGUGUCAUGA GG A CCUUGAGUGAGACAGACUCGG^ U UUGAAUU . 110 100 90 80 70