10 20 30 40 50 60 CACGCAGAUCUGGCCUU--| CCA GU UGG U CCGGUGGGU CUCUC CAGU UUGGCAA UAGAAC CACU U GAGAG GUCA AACCGUU AUCUUG GUGG A GGAGAAGGACUCCAAGGUC^ CCA AC CAG - CCUAGGAAG 120 110 100 90 80 70