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. 2003 Oct;16(4):597–621. doi: 10.1128/CMR.16.4.597-621.2003

FIG. 2.

FIG. 2.

NADPH oxidase. The NADPH oxidase complex consists of five structural components and Rac-2, which serves to regulate activation of the NADPH oxidase complex. Superoxide (O2) is produced by the complex and released extracellularly or into the primary phagosome.