10 20 30 40 50 UGGAAAUAGUCAUCCAG-- UUGG -| UG U AAUUCUGUUU CC GGCCUG AACC GCA ACAAUGUAG G GG UCGGAC UUGG CGU UGUUACAUC U CGUCUAACAGAAACAUAAA UCUG U^ GU C GACAACGAAU . 110 100 90 80 70 60