10 20 30 40 50 UCCAGUGUUGCGCUGUU--| G G G A AAAUGU GUCCAGU UUGCU GUA GGUAGA CUAACCUGUC \ UAGGUUA AACGG CAU UCGUCU GAUUGGACAG U CAAGUAUAAACUACUACUC^ A A G A UGUGAC 110 100 90 80 70 60