UBAP2L and nonpapillary renal cell carcinoma: We found that TRIM37 knockdown significantly reduced UBAP2L ubiquitination in ccRCC cells (Fig. 7D), whereas TRIM37(WT) overexpression increased UBAP2L ubiquitination, in contrast to the mutants TRIM37(C35/36S) which had no effect (Fig. 7F).