Table 4.

Average methylation levels of some types of elements.

Sample	Region	mC (%)	mCG (%)	mCHG (%)	mCHH (%)
CK	CDS	3.57 ± 0.03	14.50 ± 0.06	2.55 ± 0.03	0.78 ± 0.01
	Down2k	5.70 ± 0.22	18.19 ± 0.62	11.06 ± 0.35	1.81 ± 0.07
	Up2k	5.72 ± 0.21	16.89 ± 0.54	11.63 ± 0.33	1.77 ± 0.07
	exon	3.57 ± 0.03	14.50 ± 0.06	2.55 ± 0.02	0.78 ± 0.01
	CpGIsland	8.82 ± 0.18	17.44 ± 0.29	12.60 ± 0.27	2.11 ± 0.09
DS	CDS	3.65 ± 0.08	14.27 ± 0.37	2.61 ± 0.14	0.80 ± 0.02
	Down2k	5.94 ± 0.35	18.70 ± 0.49	10.85 ± 0.65	1.89 ± 0.12
	Up2k	5.83 ± 0.45	16.89 ± 0.69	11.80 ± 0.33*	1.82 ± 0.11
	exon	3.65 ± 0.08	14.27 ± 0.37	2.61 ± 0.14	0.80 ± 0.02
	CpGIsland	9.37 ± 0.19**	18.69 ± 0.53*	12.58 ± 0.24	2.32 ± 0.17