Nature research paper: Activation of STING by targeting a pocket in the transmembrane domain
Extended Data Fig. 8 Effects of mutations in the TMD–TMD interface on STING oligomerization in cells., Representative images of cells expressing STING wild type or the mutants in the TMD–TMD interface. Hela cells were transfected with GFP-tagged human STING wild type or mutants. Cells were stimulated with cGAMP, C53 or both. Localization of STING-GFP in cells was monitored by the fluorescence signal of GFP. Nuclei were stained with DAPI. The experiments were repeated three times.
As expected, STING showed a diffuse pattern in cells in the absence of an agonist. Both C53 and cGAMP induced puncta formation of STING wild type, which was reduced or abolished by the mutants., Quantification of STING puncta formation in cells expressing the wild type or mutants. The bar graph shows the individual data points, mean and s.e.m. of the percentage of cells with STING forming large puncta from the three biological repeats.
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