10 20 30 40 50 CUUGACCAAGGCGGAAU---| U G UG G ACACAC CGCUUG CUGACGGCG GUGUUCU AGU AAUAAU \ GCGGAC GGCUGCUGC CAUAAGA UCG UUAUUA U CGGCCACAGCUUGCAACGGC^ - A GU - UAGCCG . 110 100 90 80 70