Table 2.

List of the 10 longest human TFRs

TFR ID	Genomic position	Length (bp)	P value^a	% G + C	% bases conserved^b	Overlapping genes	% exonic bases
chr7.119	chr7:26938206	81208	<10^-75	52	45	HOXA4-11	17
chr5.354	chr5:92928424	57661	<10^-54	46	37	NR2F1	14
chr2.598	chr2:176777785	53918	<10^-48	52	38	HOXD8-13	18
chr11.129	chr11:31759920	46909	<10^-45	49	35	PAX6	5
chr17.162	chr17:43994277	46224	<10^-41	52	42	HOXB4-6	19
chr13.226	chr13:99405192	43687	<10^-42	52	43	ZIC2, ZIC5	12
chr5.305	chr5:87986303	40148	<10^-33	44	35	MIRN9-2	0
chr2.316	chr2:104910522	39265	<10^-39	49	34	POU3F3	4
chr15.252	chr15:94658960	37951	<10^-37	48	53	NR2F2	8
chr7.319	chr7:96264636	37555	<10^-34	49	37	DLX5	4

↵a Probability of finding one or more TFRs of this length in the subset of the genome with the same GC content (see Methods)
↵b Percent of bases that are covered by conserved regions described by Siepel et al. (2005)

Transposon-free regions in mammalian genomes