Table 2.

Mean FRET efficiencies.

DNA construct	[KCl] mM	TBP	TFIIA	Unbent mean FRET	Bent mean FRET	Unbent 95%CI	Bent 95%CI
Cons. TATA	150	−	−	0.24	N/A	0.241–0.244	N/A
Cons. TATA	150	+	−	0.26	0.39	0.261–0.266	0.388–0.394
Cons. TATA	150	+	+	ND	0.39	ND	0.386–0.398
Cons. TATA	50	0.4x	−	0.26	0.37	0.256–0.271	0.363–0.380
TATA(A3)	150	−	−	0.25	N/A	0.249–0.253	N/A
TATA(A3)	150	+	−	0.26	ND	0.259–0.262	ND
TATA(A3)	150	+	+	0.27	0.41	0.271–0.277	0.402–0.411
TATA(A3)	50	−	−	0.25	N/A	0.250–0.258	N/A
TATA(A3)	50	+	−	0.27	0.36	0.262–0.274	0.353–0.369
TATA(A3)	50	4x	−	0.26	0.37	0.253–0.271	0.361–0.379
TATA-less	150	−	−	0.23	N/A	0.224–0.231	N/A
TATA-less	150	+	−	0.24	ND	0.239–0.244	ND

N/A – not applicable

ND – not detected

95% CI – 95% confidence interval for the mean FRET