Examples are the EWSR1‐FLI1 fusion in Ewing Sarcoma, which combines the IDR of Ewing Sarcoma RNA‐binding protein 1 (EWSR1) with the TF friend leukemia integration 1 (FLI1)127, 129, 130 and the NUP98‐HOXA9 fusion of nucleoporin 98 (NUP98) and the homeobox A9 (HOXA9) TF as well as other homeodomain proteins.122, 131, 132. This evidence concerns the gene FLI1 and Ewing sarcoma.