10 20 30 40 50 AGUAGACAGAAUGAAAUA-- UG CG - -| UG GUACU CUC GCAGA UGGGUACCA UAG UGUGUU CA A GAG UGUCU GUCUAUGGU GUC ACACAA GU C CGAUACUACUCUUCUCUAAC UU UG G G^ GU GUCCC . 110 100 90 80 70 60