GSTM1 and melanoma: Some of these include Dead H box helicase 11 (DDX11), Claudin 5 (CLDN5), chemokine CXC motif (CXCL1 ligand 1, melanoma growth), glutathione S-transferase mu 1 (GSTM1), major histocompatibility complex class I K (HLA-K), and thrombospondin 1 (THBS1).