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. 2003 Apr;185(7):2194–2202. doi: 10.1128/JB.185.7.2194-2202.2003

TABLE 2.

Apparent dissociation constants (KD) from gel shiftsa

Binding site Mean apparent KD (nM) ± SD
F-F 250.00 ± 18.0
F-F-F 36.10 ± 7.1
F-F-F-F 6.30 ± 0.6
F-F-x-R 0.95 ± 0.1
F-F-x-R-R 0.78 ± 0.2
fepB 8.60 ± 1.3
entS 3.01 ± 0.8
a

KD is the value at which 50% of the DNA is bound by Fur and is given as the Fur concentration at which this occurred.