10 20 30 40 50 CCGGCGGAGAUAAAUAC- -| G UG U AUACUA GCAC UGCUCGGUCACG GUAUUCU GGU AAUAAU \ UGUG GUGAGUCAGUGC CAUAAGA UCG UUAUUA U GGAGGGGGCAGCUCAGAG U^ A GU - UAUCUU . 110 100 90 80 70