PPP1R12A and nonpapillary renal cell carcinoma: Moreover, high protein expression of MYPT1 in ccRCC tissues was closely linked with low Furman grade (IRS: grade (I/II) = 5.767.38 ± 2.635 vs. grade (I/IV) = 4.702 ± 2.545, P = 0.0217; Fig. 1G).