Table 2

Transcription factor histone sensitivity relates to hierarchical level in a regulatory network

Hierarchical levels in regulatory network

Number of histone-sensitive TFs

Number of histone-insensitive TFs


Bottom level

Level 1

15

52

Upper levels

Level 2

43

36

Level 3

6

8

Level 4

2

4

Total

51

48


Fisher exact test P-value = 0.0007 for separate levels; P-value = 0.0002 for combined upper levels.

Cheng et al. Genome Biology 2011 12:R111   doi:10.1186/gb-2011-12-11-r111

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