10 20 30 40 50 60 UACCUGGCAUGUGCAGU--| CU CU G C UCACUGU GCGU UACCCG UUGGCACUG CACAUA UUGCU G CGUA AUGGGC AGCCGUGAU GUGUAU AACGA A UGGGUGGGGGACGGCGCGA^ AG UC - U GUCCCAA 120 110 100 90 80 70