Figure 9From: Different distribution of histone modifications in genes with unidirectional and bidirectional transcription and a role of CTCF and cohesin in directing transcriptionCo-occurrence of CTCF and RAD21. Active genes in K562 (cytosol, polyA-) were clustered into two clusters based on CTCF and RAD21 signal within 1Â kb from the TSS.Back to article page