10 20 30 40 50 60 UCUCAGCCCACCCCAGU--| UG C C G C U GGUACU CC CUC CGCCC AGCA CACA UGUGGUUUG AC G GG GGG GUGGG UUGU GUGU ACACCAGAC UG U UUCGGAGUCGCCACGGAGG^ GU A A G C C CACCGG 120 110 100 90 80 70