Violin plots showing Cramér’s V of association between JQ1-btn + BRD4 (median 0.69), JQ1-btn + ATAC (median 0.48), BRD4 + ATAC (median 0.51) in epithelial cells ( n = 10,981); and JQ1-btn + BRD4 (median 0.71), JQ1-btn + ATAC (median 0.50), BRD4 + ATAC (median 0.47) in Intermediate EMT cells ( n = 9,004) and JQ1-btn + random ( n = 1,261, median 0.03). The same number of simulated random genomic regions (42,782) as for BRD4 peaks was used.