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. 2015 May 22;5:10510. doi: 10.1038/srep10510

Figure 2.

Figure 2

Polymerase activities of R-DK/49 or R-GS/65 with different PA mutations in a minigenome assay. Polymerase complex and NP expression plasmids together with the minigenome firefly luciferase reporter plasmid phumPolI-T-Luc or paviPolI-T-Luc were transfected into 293T cells (A) or DF1 (B) cells, respectively. Data are expressed as the mean ± standard deviation (SD) for three independent experiments and are standardized to the activity of R-DK/49 (100%). Statistical significance was determined using the unpaired Student’s t-test with two-tailed analysis (GraphPad Software, La Jolla, CA). *p < 0.01, **p < 0.001, ***p < 0.0001. Negative control, transfection of firefly luciferase reporter only.