10 20 30 40 50 UCUCAGACCACCCUUUA--| U UC U C UAGAUG CUGUG CCUCGGGG CAGU UU CCAGGAAUCCCU \ GGUAC GGGGUUCU GUCA AA GGUCCUUAGGGG A UGGUAGUGGUCAACGACUC^ U U- U A GAGAAU . 110 100 90 80 70