10 20 30 40 50 GCUGGGAGCCGCGGUCG--| CU UC U C UAGGCG CCGUG CUCAGGG CAGU UU CCAGGAAUCCCU \ GGCAC GGGUUCU GUCA AA GGUCCUUAGGGG C CGACAGAGGUCCACGUCUC^ CG U- U A UUGCAU . 110 100 90 80 70