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. 2017 Nov 8;7:15103. doi: 10.1038/s41598-017-15128-8

Figure 4.

Figure 4

The US9-driven TEV protease expression correlates with substrate processing. (a) Electrophoretic analysis of proteins extracted from 293T cells co-transfected with a constant amount of the substrate g9tcsmC and increasing amounts (ranging from 0 to 150 ng) of the protease 9t. The presence of uncleaved and cleaved substrate was revealed with the anti-mCherry antibody. In this range of expression, the increasing presence of the US9-driven protease correlates with a constant decrease of the full length substrate and the corresponding increase of the processed fragment. The densitometric analysis of the same blot was used to generate the histogram shown in (b). The height of the columns corresponds to the % of cleavage in each individual sample, calculated as described in Results and in the legend to Figure S2b. The full-length blot is presented in the Supplementary material (S7).