10 20 30 40 50 CCUACAGGCCACCCCCA--| U UC U C UAGGUG CCGUG CCUCAGGG CAGU UU CCAGGAAUCCCU \ GGUAC GGAGUUCU GUCA AA GGUCCUUAGGGG C GGUAGGCAGGCGACGGUUC^ U U- U A UAGAGU . 110 100 90 80 70