10 20 30 40 50 GCUCUAACGCACCAUAU--| U C C A ACAU UCUAAGGUCCC UCCAG UCUGA AUUCU UGAUCU \ GGAUUCUAGGG AGGUC AGACU UAGGA ACUAGG U CCAACUUGACCUACGAGAC^ U A - A AUAC 110 100 90 80 70 60