As previously shown (Teng et al., 2015) in HEK293 and differentiated PC12 cells, we were able to show that UBXN2A is co‐immunoprecipitated with the CHIP E3 ubiquitin ligase in HCT‐116 colon cancer cells (Fig. 1D). The gene discussed is STUB1; the disease is malignant colon neoplasm.