Table 1.

Absorption Maxima in the Visible Region and Affinity to Chloride of NpHR

	λmax [nm]		Kd [mM]
	0 M Cl−	1.0 M Cl−	Cl− Binding (Kd initial)	Cl− Release (Kd,N↔O)
DDM	600	578	2.9a	1200
POPC-ND	600	578	3.5	269
NL-ND	600	578	16	290
MF	600	578	6.1a	3700a

λ_max, absorption maxima. K_d, dissociation constant.

^aFrom Kikukawa et al. (18).