10 20 30 40 50 CUGCUACGCUUACAUUGUUCAUU- A-| U UA UUGACA GAGUUG UAAGUUUU CCACUA UCUGUG \ UUCAAC GUUCAGAA GGUGAU AGACAC U GACAGAAACUACCAUAACCUUGUG CA^ U -- CUAAAU 110 100 90 80 70