10 20 30 40 50 GCUCUAACGCACCAUAU--| CU C C A ACAU UCUAAGGUCC UCCAG UCUGA AUUCU UGAUCU \ GGAUUCUAGG AGGUC AGACU UAGGA ACUAGG A CCAACUUGACCUACGAGAG^ AU A - A AUAC 110 100 90 80 70 60