Effects of the deletion of the Escherichia coli frataxin homologue CyaY on the respiratory NADH:ubiquinone oxidoreductase

Table 1 Catalytic activities of cytoplasmic membranes from the parental and the cyaY deletion strain. The data are the mean of three independent measurements.

Strain	NADH/ferricyanide oxidoreductase activity	NADH oxidase activity	Inhibition by annonin VI	d-NADH oxidase activity	Inhibition by annonin VI
	[μmol· min^-1 ·mg^-1]	[μmol· min^-1 ·mg^-1]	[%]	[μmol· min^-1· mg^-1]	[%]
BW25113	2.6 ± 0.5	0.29 ± 0.03	52	0.18 ± 0.01	100
BW25113 cyaY::nptI	2.7 ± 0.7	0.33 ± 0.06	21	0.13 ± 0.01	100
Strain	Succinate oxidase activity	Inhibition by malonate
	[μmol· min^-1 ·mg^-1]	[%]
BW25113	0.12 ± 0.01	100
BW25113 cyaY::nptI	0.09 ± 0.01	100

ISSN: 1471-2091