10 20 30 40 50 UGUGCCUUUCCAGAAGG--| A U A C GUGUGCA GGCUGUG CCCGGU CAAGUA UC AGGAUAGGCU \ CCGAUGC GGGUCA GUUCAU AG UCCUAUCCGG U UAGGACAAAUAACGCAACA^ A C A U UAAUUCU . 110 100 90 80 70