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Table 1 Total CTCF binding sites in various classes of ChIP-seq loci

From: Characterization of constitutive CTCF/cohesin loci: a possible role in establishing topological domains in mammalian genomes

Class name

Number of cell lines

Total binding sites

Required

Available

Any CTCF

Any

56

458,251

CTCF in one cell line

1

56

241,300

cCTCF1

≥51

56

23,709

cRad211

6

6

22,055

cSmc31

4

4

16,704

cCTCF/cRad21

≥51/6

56/6

16,689

cCTCF/cSmc3

≥51/4

56/4

13,261

cCTCF/cCohesin

≥51/6/4

56/6/4

12,014

  1. 1To be declared constitutive, a site had to be identified in ≥90% of available cell lines.