10 20 30 40 50 GCCCAACCUCGGACCGU- --| G A AA A G UGGUUU GGG GGAGAGGG GA GACGGGAG GAG AG GAG U CCC CCUCUCUU UU CUGCCCUC CUC UC CUC U ACUGUCCUUCCCUUCUAU GU^ G - CC C A CGUGGG . 110 100 90 80 70 60