The orientation of the CTCF/H2A.Z pattern has a highly significant correlation with the orientation of the CTCF motif for each of the clusters that feature the CTCF/H2A.Z peak pattern: cluster 36884 (0.33, P<e-32), cluster 36426 (0.39, P<e-19 ), cluster 36420 (0.29, P<e-5 ) while there was no correlation in the remaining clusters ( Table 1 ).
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