10 20 30 40 50 CCGGGGACGUGGCAGCG--| U C UC U C UAGAUG CCGUG CCUCA GG CAGU UU CCAGGAAUCCCU \ GGUAC GGAGU UC GUCA AA GGUCCUUAGGGG C CCACUCAGGCCGACGAUUU^ U - UU U A UAGAAU . 110 100 90 80 70