0 - Polymerase II activity
					1 - H3ac	=> TSS
					2 - H3K9me3	=> Represive
					3 - H3K4me3	=> (High) Promoters, (Low) Enhancers
					4 - H3K4me1	=> (Low) Promoters, (High) Enhancers
					5 - H3K36me3	=> Transcribed regions
					6 - H3K27me3	=> Repressive
					7 - H3K27ac	=> Enhancers
					

========== Cat1 ==========

========== Cat2 ==========

========== Cat3 ==========

#1

HIST1H3H

HIST1H2BL

883

OverGeneDB

========== Cat4 ==========

#1

HIST1H2AI

HIST1H2BL

2761

OverGeneDB

Description of the 4 gene categories may be found here