10 20 30 40 50 UCUGGAAGACUCCCAAAGC--| U G C UG UUUCUCA CAU CCC CAUCCUUAUCA UUUUCC CCAGC \ GUG GGG GUGGGAAUAGU AAGAGG GGUUG U CCCUGAGGACCGACAUGCACA^ U A C CA CCAAUGG . 110 100 90 80 70