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