10 20 30 40 50 CGUGUGCAUGCAUGCAU--| A CA - C GU CUGUG GGCCA CAGU GU GAGUAUUACAU AG ACUGA U UCGGU GUCG CA CUCAUAGUGUA UC UGACU U CUCUCCCAAUCAGCUAUCC^ - AC G - UG UCAGG 110 100 90 80 70 60