We found that the DDRRG signature, composed of FBXO18, MMS19, SMC4, HEXB, UBQLN4, VAV3, E2F7, EFNB1, WEE1, SAA1, SHISA5, WAC, PSMC2, PTGFRN, EIF3L and HMGA2, can independently predict the outcome of glioma patients. The gene discussed is SMC4; the disease is glioma.