Table 2. Over-represented TFBS in the background regions of the validated set vs. the non-responding background regions (ranked by Fisher p-values).

TF	TF Class	Ctrl gene hits	Ctrl gene non-hits	Target gene hits	Target gene non-hits	Z-score	Fisher score
RREB1	ZnF-C2H2	8	43	3	1	13.29	2.23E-02
Dl	REL	26	25	4	0	5.27	8.04E-02
NHLH1	bHLH	16	35	3	1	7.03	1.14E-01