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1: Curr Opin Immunol. 2004 Feb;16(1):42-7.Click here to read Links

NADPH oxidase.

Babior BM.

The Scripps Research Institute, Department of Molecular and Experimental Medicine, Division of Biochemistry, La Jolla, California 92037, USA. babior@scripps.edu

NADPH oxidase is an enzyme that catalyzes the production of superoxide from oxygen and NADPH. It is a complex enzyme consisting of two membrane-bound components and three components in the cytosol, plus rac 1 or rac 2. Activation of the oxidase involves the phosphorylation of one of the cytosolic components. Recent crystallography data indicate that the tail of this cytosolic component lies in a groove between two Src homology 3 domains and, when phosphorylated, the tail leaves the groove and is replaced by the tail of one of the membrane-bound components. Chronic granulomatous disease is an inherited immune deficiency caused by the absence of one of the components of the oxidase. The most important recent advances in the field have been the crystallographic analysis of the oxidase and the use of antifungal agents in the prophylaxis of chronic granulomatous disease.

PMID: 14734109 [PubMed - indexed for MEDLINE]

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