10 20 30 40 50 UCGUCGAGAUCUGCGGUACUC--| U CU U UG A GUGGCAA CUUC CAG UUUGAU GU CUC GAAGGC \ GAGG GUU AAACUA CA GAG CUUCCG U CCGAACUAUACUGCUUAACCGCA^ U CU U GU - AACAGUC . 110 100 90 80 70