10 20 30 40 50 60 CCAGACUGGCCCCGCCU--| CU U UGG U ACUGGUGAGA CUCUC GCUGUG UUGGCAA UAGAAC CAC U GAGAG CGGCAU AACCGUU AUCUUG GUG A CAGCUAAGGCGGCCGACGG^ UU C CAG - GCCUAAGACA 120 110 100 90 80 70