10 20 30 40 50 CCAAAUGUUAACAGUUU--| GU A CUCUA CUGUCCGUGGCUCAAAAAUGUCG UGCUU AGCU \ GGCGGGCACCGAGUUUUUGCAGC ACGAA UCGA A ACGUCGAGUGAACGAAAAC^ AC C AUGAU 110 100 90 80 70 60