10 20 30 40 50 CUCCCCCCUCGUCGUAU--| UCA UG UG U U U GUUUCAU GUGGG UGUGACU C G UGUGG GUUG CA \ UACUC ACACUGA G C GUACC CGAC GU A AUAACAAACACUACUAUCA^ UGA GU GU U U U CUAAAUU . 110 100 90 80 70