10 20 30 40 50 AGUUGGAAGAUGAAAUG- ACU-| G UG C UAGAAA CUG UGUGAACA UGACUUG GGGUCAGU GG G GAC ACACUUGU GCUGAAC UCCGGUCA CC A GACGCACUCGACAUACUC GAGU^ G UG U UUUUAG . 110 100 90 80 70 60