10 20 30 40 50 AGUUGCAUCUAUGAGCC--| A CA C AUAAGA CAG AUGGGGCAUC CACAA CAGCAAGAAGGAA U GUC UACUCCGUGG GUGUU GUCGUUCUUCUUU U GUCAGUGAAACCAACUACA^ C AC U CCCUAA . 110 100 90 80 70 60