10 20 30 40 50 GGGGUUCCAGAGACUAA--| G C A C A UGAGAGU UGUACUC UUUG AGAGGA CGGA UGCUUAG UG \ AUAUGAG AAAC UCUCCU GUCU GCGAAUC AC U ACUACUAGCUGACCGCUAU^ A A C U C UAUACUA . 110 100 90 80 70