USP15 and non-small cell lung carcinoma: Integration of the proteomic data from two NSCLC cell lines yielded 61 high‐confidence USP15‐associated proteins (Figure 5D), including known interactors such as squamous cell carcinoma antigen recognized by T cells 3 (SART3), a U4/U6 snRNP recycling factor [32], and novel candidates.