Panel C: the different variants are compared with "none" rather than "WT". Although this is explained in the text, it is not immediately clear what the asterisks in the final column represent. I would suggest to add a label indicating that these are p of the "none:whatever" comparison. Also, I did not understand how a p value could be generated for conditions with only two replicates.
Panel D: I do not see large differences in Panel D, although perhaps the 6xSE upper panel looks slightly different; why "slightly less Rev was used" in one lane is also unclear, and this difference can't be seen in the gel. It should be emphasized that this is a single experiment. The "S5E/S8E" is labeled as "5/8" in the panel, and should be referred to this way in the legend.