10 20 30 40 50 UCGCGUCCUCCCGUGAC- UAGAGG-| UUU C GUCAAU CCCU AUGACUGAUUUC UGGUGUU AGA \ GGGG UAUUGGCUAAAG ACCACGA UCU A GUCGUCGUACUACGAGAA CUAGUAA^ UCU - UUUAAG . 110 100 90 80 70