10 20 30 40 50 CGCGGAGUUCUCAUGAU--| C U UG G U A CGUGGAA CC UGG G AG GUAUGUGCCC UGGACU CAU G GG ACU C UC CAUAUACGGG ACCUGA GUA C CGUCAGCACUACUUUAUUU^ A C GU A U C CCACGAC . 110 100 90 80 70 60