Rockefeller University Press

Table I.

Binding site distribution and dwell times of import receptors and model cargo

	τ_dwell [ms]	Fraction [%]	x_c [nm]	FWHM [nm]	N_observation	N_traces
BSA-NLS	6.2 ± 0.3	100	−13 ± 1	140 ± 5	293	75
Kapα	7.5 ± 0.8	100	−6 ± 2	160 ± 5	387	136
kapβ1	6.6 ± 0.2^{^a}	100^{^a}	−10 ± 2	160 ± 5	402	110
kapβ1ΔN44	11.8 ± 0.6^{^b}	100^{^b}	−8 ± 1	90 ± 2	244	60
kapβ2	4.6 ± 0.1	90 ± 1	5 ± 2	150 ± 5	305	97
	103 ± 6	10 ± 3

	τ_dwell [ms]	Fraction [%]	x_c [nm]	FWHM [nm]	N_observation	N_traces
BSA-NLS	6.2 ± 0.3	100	−13 ± 1	140 ± 5	293	75
Kapα	7.5 ± 0.8	100	−6 ± 2	160 ± 5	387	136
kapβ1	6.6 ± 0.2^{^a}	100^{^a}	−10 ± 2	160 ± 5	402	110
kapβ1ΔN44	11.8 ± 0.6^{^b}	100^{^b}	−8 ± 1	90 ± 2	244	60
kapβ2	4.6 ± 0.1	90 ± 1	5 ± 2	150 ± 5	305	97
	103 ± 6	10 ± 3

Bi-exponential fits yielded τ₁ = 5.8 ± 0.3 ms and τ₂ = 29 ± 18 ms with f₁ = 93 ± 5 and f₂ = 7 ± 5.

Bi-exponential fits yielded τ₁ = 8.9 ± 1.4 ms and τ₂ = 41 ± 33 ms with f₁ = 86 ± 13 and f₂ = 14 ± 13.