TABLE 2.

Frequency of core promoter elements among Drosophila transcripts that initiate at different chromosomal positions and Dorsal target genes

Combination of core promoter elements	Drosophila transcripts		Dorsal target genes		p value
	No. of Genes	Frequency	No. of Genes	Frequency
		%		%
Inr	16,352	82	83	91	<0.02
TATA	3,494	18	26	29	<0.01
TATA and no DPE	2,568	13	7	8	<0.15
TATA and no Inr	461	2	2	2	1
Inr and DPE	4,628	23	63	69	<0.0001
Inr, DPE and TATA	836	4	19	21	<0.0001
Total	19,865	(100)	91	(100)