TRAK2 and melanoma: In TCGA melanomas, we observed an FDR-significant eQTL for FLACC1 (P = 6.57 × 10−4), as well marginal eQTLs for CASP8 (P = 6.82 × 10−3; Figure 2B) and TRAK2 (P = 0.03) (Table S17).