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