Table 1.

Binding constants for GCN4-56 and GCN4-54 to AP-1 DNA in the presence of increasing amounts of competitor DNA as measured by an electrophoretic mobility-shift assay

[CT DNA] (μM bp)	Kd (M)a
	GCN4-56	GCN4-54
0	4 ± 2 × 10−8	3 ± 1 × 10−8
100	1.1 ± 0.2 × 10−7	1.2 ± 0.3 × 10−7
300	2.8 ± 0.7 × 10−7	1.8 ± 0.4 × 10−7

^a Values reported are the mean values ± the standard deviation in the values measured from three individual data sets.