In detail, IKZF1 was co‐occupied in 95% (9660/10 173) of c‐FOS‐binding sites, and conversely, c‐FOS localization was observed in 69% (9660/13 932) of IKZF1‐binding sites in MM cells (Figure 1B, left panel). This evidence concerns the gene FOS and Miyoshi myopathy.