10 20 30 40 50 UCAGGAUCCGUGUGUGG--| UG G UC G GUGUA GAAG GUU UUA UUUGGUUAUCUAGCU UAUGA U CUUC CAA AAU AAGCCAAUAGAUCGA AUACU U AGACGGUACACUACUAGAC^ CU A GA A UUUGG . 110 100 90 80 70 60