10 20 30 40 50 CACCAGAAUCAACAACGC--| G C U C U AAGAC GUGGUGACU AC GU UCUU CCU GCGUUCAU C UACCACUGA UG CA AGAG GGA UGCAAGUA A UUUCGCAUACAUCUAGCCUC^ G C C C U GAAUG 110 100 90 80 70 60