Nuclear Reprogramming in Mouse Primordial Germ Cells: Epigenetic Contribution

Table 1

Summary of the main histone code in mammalian cells.

Type of modification	Histone
	H3K4	H3K9	H3K14	H3K27	H3K79	H4K20	H2BK5	H3K4 + H3K27	H3K9 + H4k20
Mono-methylation	Activation	Activation		Activation	Activation	Activation	Activation
Dimethylation	Activation	Repression		Repression	Activation
Trimethylation	Activation	Aepression		Repression	Repression			Bivalent	Heterochromatin
Acetylation		Activation	Activation