10 20 30 40 50 CUGUGUCUCUCACUCUC--| CC U G G UGUUAG UCGG UGUCAGAUAGCUUA CAGACUG UGUUG C \ AGUU ACAGUCUGUCGGAU GUCUGAC ACAGC G A ACCAAGCUCUACUUUCUCG^ UU - A G AACGUU . 110 100 90 80 70