Extended Data Fig. 2: Western blots showing co-IP of E3 ubiquitin ligases with the PTD-tagged viral M1 proteins but not the mutated PTD-tagged viral M1 proteins.

HEK293T cells were transfected with constructs expressing Flag- or HA-tagged E3 ubiquitin ligases and either PTD-tagged viral M1 proteins or mutated PTD-tagged viral M1 proteins and collected 36 h post-transfection for co-IP assay (n = 3). WCL, whole-cell lysate.