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Box plots of the fraction of overlap within each cell line between classes of CTCF sites and open chromatin (as assessed by either DNase I or by FAIRE) or H2A.z. The classes of CTCF sites are: cCTCF/cCohesin sites (black), cCTCF-non-cohesin sites (red), or all CTCF sites bound in each cell line excluding cCTCF sites (blue). Each point in a box plot represents a cell line.
