10 20 30 40 50 60 CUCUCAACCCACCCAGU--| UG C CCC G C CACGGCAUU CC CCC CGC AGCA CACA UGUGGUUUG G GG GGG GCG UUGU GUGU ACACCAAAC U UCCGGAGUCGCCUCGGAGG^ GU A AGA G C CUGCACCGG 120 110 100 90 80 70