10 20 30 40 50 60 AAAAGCGAAUUUUCCAUA -- U AUA --| C UUGAAUGA UGC AAC GCCAUUGGG CACC CUGUG UCGCU A ACG UUG CGGUGACCU GUGG GACAC AGUGA A AAACACCACGUCGUUCCU GU C AUG UC^ A ACGAACGU 120 110 100 90 80 70