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. 2018 Feb 5;9:61. doi: 10.3389/fimmu.2018.00061

Figure 3.

Figure 3

Validation of the TgROP18-interacting proteins by co-immunoprecipitation (Co-IP) assay. (A–D) Lysates of COS-7 cells co-overexpressing ROP18I and the indicated interacting proteins were immunoprecipitated with the indicated antibodies. Rabbit, mouse, or goat normal control IgG were used as negative controls. The immunoprecipitates were detected by SDS-PAGE and western blotting using the antibodies indicated. (E) Lysates of COS-7 cells overexpressing ROP18I in the presence of MG132 (10 μM) for 12 h were immunoprecipitated with the anti-FLAG antibody. Endogenous UBC (a smear of bands) was detected in the immunoprecipitates through western blotting with anti-FK2 antibody, which recognizes mono- and polyubiquitinylated conjugates.