M A Kahlow

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Cytochrome bd oxidase is a terminal bacterial oxidase containing three cofactors: a low-spin heme (b558), a high-spin heme (b595), and a chlorin d. The center of dioxygen reduction has been proposed to be at a dinuclear b595/d site, whereas b558 is mainly involved in transferring electrons from ubiquinone. One of the unique functional features of this(More)
The 680-nm-absorbing "peroxide state" of the Escherichia coli cytochrome d terminal oxidase complex, obtained by addition of excess hydrogen peroxide to the enzyme, is shown to be a ferryl intermediate in the catalytic cycle of the enzyme. This ferryl intermediate is also created by aerobic oxidation of the fully reduced enzyme. Resonance Raman spectra with(More)
Cytochrome bd oxidase is a bacterial terminal oxidase that contains three cofactors: a low-spin heme (b558), a high-spin heme (b595), and a chlorin d. The center of dioxygen reduction has been proposed to be a binuclear b595/d site, whereas b558 is mainly involved in transferring electrons from ubiquinol to the oxidase. Information on the nature of the(More)
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