Assembly and activation of the NADPH:O2 oxidoreductase in human neutrophils after stimulation with phorbol myristate acetate.

Abstract

Phagocytic leukocytes contain an activatable NADPH:O2 oxidoreductase. Components of this enzyme system include cytochrome b558, and three soluble oxidase components (SOC I, SOC II, and SOC III) found in the cytosol of resting cells. Previously, we found that SOC II copurifies with, and is probably identical to, a 47-kDa substrate of protein kinase C. In the… (More)

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