Table 1.

Equilibrium parameters of *I in the presence of UvsY in 0.05 M Na⁺

Protein Concentration	Kssω (M−1)	τ(s)
[*I]=4 nM	7.9 ± 1.2×109	116.1 ± 21.0
[*I]=4 nM + [UvsY]=16 nM	1.4 ± 0.2×108*	128.7 ± 8.0
[*I]=4 nM + [UvsY]=32 nM	5.9 ± 0.9×108*	165.0 ± 10.0
[*I]=4 nM + [UvsY]=50 nM	1.8 ± 0.3×108*	210.2 ± 21.0
[*I]=4 nM + [UvsY]=80 nM	8.8 ± 0.1×107*	278.8 ± 15.0
[*I]=4 nM + [UvsY]=150 nM	4.3 ± 0.7×107*	363.0 ± 90.0

All measurements were performed in 10 mM Hepes pH 7.5, 50 mM [Na⁺]. Data are reported as mean ± standard error for n≥4.

^*Apparent binding constants