USP47 and nonpapillary renal cell carcinoma: We compared the expression levels of USP7 and USP47 in 534 ccRCC samples from the TCGA dataset and revealed that the abundance of USP7 (average log2(FPKM + 1) value 38.1) was much higher than that of USP47 (average log2(FPKM + 1) value 19.4) (Fig. 1c).