Table 1.
The sense strand (left 5’ end- right 3’ end) is positioned on top, while the antisense strand (left 3’ end-right 5’ end) is below. If not indicated otherwise, both 5’ and 3’ ends of sense and antisense contain terminal hydroxyl groups. The underlined bases indicate DNA bases; p, monophosphate group; m, N1-2-O-methyl group.
+++, high activity;
++. Middle activity;
+, low activity;
−, no activity.