10 20 30 40 50 UCUGUGUUCAGGUUAAA--| GA UG U C GUGUGUG GGCUGU CC GU CAAGUAAUC AGGAUAGGCU \ UCGACG GG CA GUUCAUUAG UCUUAUCCGG A GAAAAGUAACUUCUCAAUG^ GG GU C U UUAGACU . 110 100 90 80 70