[i] ^aGene group with distinct histone modification pattern as showed in Figure 3.

[ii] ^bGene Ontology annotation based on biological process (P), molecular function (F), and cellular compartment (C).

[iii] ^cPearson's Chi-squared test P-value for the significance of gene enrichment within the chromatin group compared to all genes in the corresponding GO category; degree of freedom (d.f.) = 1.