10 20 30 40 50 60 UGUGCGCUGCCAGGUGU--| G CA U UGUGUGUUU GUGUGUUGCGGU UCCUCAUUGUG UGCUGUG G A CACGCGACGUCG AGGAGUAACGU GCGACAC C U GCACGUGCACACUCCAGGC^ G CC C GCUUGAGCC 120 110 100 90 80 70