10 20 30 40 50 GGAUCAGGCUGUCGGGG-- C-| G G - U A GGACAC GGC CGG UGUA UCUA CAG GC UGUGUCUCCAG \ CCG GCC ACAU AGGU GUC CG ACACAGAGGUC U GGGAAGAGGACUUCGGUCA AA^ A - U U - GACAGA 110 100 90 80 70 60