Evidence of association between Nucleosome Occupancy and the Evolution of Transcription Factor Binding Sites in Yeast

Table 2 The distribution of TFBSs in the NRs and NDRs of orthologous genes and Saccharomyces specific genes, and the distribution of TFBSs in duplicate gene pairs.

	# of TFBSs in NRs	# of TFBSs in NDRs
Orthologous genes	11710 (3.33)	11895 (3.67)
Saccharomyces specific genes χ ² = 9.0, p -value < 0.002	620 (5.65)	524 (2.84)
Duplicate pairs Z-value = 32.07, *p-value* = 1.25 × 10 ^-40	8793 (5.50)	4892 (3.06)

The values in parenthesis correspond to the number of TFBSs per gene. χ²-test p-value for ortholog and Saccharomyces specific gene sets and one-sided two sample proportion test results for duplicate genes pairs are also shown.

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