Depletion of endogenous SAV1 in SAV1-expressing RCC cell lines (Fig. 1i), including RCC4, UMRC6, and Caki-1, resulted in dramatically increased Akt-pT308 (Fig. 1j, k and Supplementary Fig. 3a) and enhanced cell growth (Fig. 1l, m). Here, SLC49A4 is linked to renal cell carcinoma.