10 20 30 40 50 AAGAAAGAAGAACAGUAUC--| C CC CU GA GACA AAGUG UACG CGGACGAA UCCCA UCGGCC C UUCGC AUGU GCCUGCUU AGGGU GGCUGG A AACAUACUACUUAUGUGCAUA^ U UU CU -- UGAA 110 100 90 80 70 60