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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.
