Table 3 A catalog of functions of histone marks in this study

Directional around promoters stretching upstream.

Associated with trascription start sites [39] and promoters [36].

Directional around promoters stretching downstream and weakly associated with coding regions of inactive genes.

–

Directional around promoters stretching downstream.

Associated with promoters [36, 47].

Directional around promoters stretching downstream.

–

Associated with high-CpG promoters.

Associated with promoters and CpG islands [36].

Directional around promoters stretching downstream.

Associated with promoters [36].

Directional around promoters stretching downstream, absent around transcription start sites, and associated with enhancers.

Associated with enhancers [37, 39].

Directional around promoters stretching downstream and associated with enhancers.

Associated with promoters [74] and enhancers [36].

Directional around promoters stretching downstream, associated with high-CpG promoters, and associated with enhancers — usually weaker than H3K4me1.

Associated with trascription start sites [39], promoters [36, 37, 74, 75], CpG islands [36], and enhancers [36, 39].

Weakly associated with coding regions of active genes.

–

Directional around promoters stretching downstream, associated with high-CpG promoters, and associated with enhancers.

Associated with promoters [74] and CpG islands [36].

Weakly associated with coding regions of inactive genes, and very weak/absent from enhancers, and very weak/absent from promoters.

Associate with “repressed regions” [37, 72].

Directional around promoters stretching downstream and weakly associated with coding regions of inactive genes.

–

Directional around promoters stretching downstream.

–

Directional around promoters stretching downstream.

–

Associated with high-CpG promoters and enhancers.

Associated with trascription start sites [39], promoters [36, 74], high-CpG promoters [47], CpG islands [36], and enhancers [36, 39].

Weakly associated with coding regions of inactive genes, very weak/absent from enhancers, and very weak/absent from promoters.

“Repressive mark” [37, 72, 75].

Associated with coding regions and very weak/absent from enhancers.

Associated with and directional around “transcriped gene bodies" [75]; associated with “transcribed regions” [37] and highly expressed genes [72].

Directional around promoters stretching downstream and associated with coding regions of active genes.

Associated with promoters active in CD4+ [47] and “transcribed regions” [37].

Directional around promoters stretching downstream and associated with coding regions of active genes.

Associated with “transcribed regions” [37].

Associated with coding regions of inactive genes — this mark is known in one tissue only.

–

Associated with high-CpG promoters.

Associated with promoters [36] and CpG islands [36].