TABLE 1.

Apparent relaxation time constants of transmembrane proton flow through F₀ at pH 8 (average values from four different trials)

Experimental conditions	Time constant, ms
Control (no additions)	8.6 ± 1.4
3 μM myxothiazol	3.8 ± 1.1
20 mM glycylglycine, Na2HPO4, MES, glycine each, and 3 μM myxothiazol	3.1 ± 0.9

The medium contained 100 mM KCl, 2 mM KCN, 5 μM 1,1′-dimethylferrocene (DMF), 2 mM K₄[Fe(CN)₆].