Table 2.

Distribution of LTRs in Active promoters in malignant, immortalized, primary and embryonic stem cells.

	Cell Type	Total Promoters	Total Promoters that overlap LTRs	% of Total Promoters that overlap LTRs	Cell-line Specific Promoters	% Cell-line Specific Promoters	Cell-line Specific Promoters that overlap LTRs	% of Cell line Specific Promoters that overlap LTRs	Number of LTRs that overlaps cell-line specific Promoters
K562	Malignant	15,627	1,199	7.7%	1,599	10.2%	427	26.7%	622
HepG2	Malignant	15,993	1,165	7.3%	1,886	11.8%	303	16.1%	400
GM12878	Immortalized	15,279	989	6.5%	1,613	10.6%	153	9.5%	203
NHLF	Primary	14,888	546	3.7%	259	1.7%	15	5.8%	16
HMEC	Primary	13,711	535	3.9%	145	1.1%	9	6.2%	12
HSMM	Primary	14,335	537	3.7%	305	2.1%	23	7.5%	25
HUVEC	Primary	12,319	397	3.2%	102	0.8%	6	5.9%	7
NHEK	Primary	14,009	700	5.0%	219	1.6%	24	11.0%	29
H1-hESC	Embryonic Stem	12,477	568	4.6%	453	3.6%	217	47.9%	308