10 20 30 40 50 AAUCUUAAUAUUUCUAG---| U CG C UUC UUUGUAG CCUCU C GGUUCCGUGCUUC UUAC CCAUA \ GGAGA G UCGAGGUAUGAAG AAUG GGUAU U GCGGUGAUAACCACUAAAAG^ - UU A UAA CUCGUAC . 110 100 90 80 70