10 20 30 40 50 AACACUUCUCCAGGCACU UA C--| A C A A UAAGUUACU GA CU CU GA GAGGC AAGC GGAGUUCA \ CU GA GA CU CUCCG UUCG CCUCGAGU U UUUACAACACUACUCAGC GC CUA^ C A A C UUGUCAAGU . 110 100 90 80 70