10 20 30 40 50 60 GCUGGAUUUUCUCGAGUG - U -| G U GUAUUG CCC CUCU GGAA GCUGGUUUCAGGUGGUG CU AGA \ GGG GGGG UCUU UGACUAAAGUUUACCAC GA UCU U GUCAUUCUUUCAUGUGGA U U G^ - - AUCUAC . 110 100 90 80 70