Figure 3.

Interferon‐stimulated gene 20 (ISG20) decreases viral enhancer II activity via direct binding. (a) Schematic diagram of the reporter plasmids containing hepatitis B virus (HBV) enhancers of various lengths. (b) Relative luciferase activity of HBV enhancer mutants. Values represent the mean ± SD calculated from two independent experiments (each performed in duplicate). +, 0.5 μg; ++, 1 μg. [Correction added on 22 February 2020, after first online publication: figure image and caption have been amended.]