A enzyme complex of which the core is a heterodimer composed of a light (alpha) and heavy (beta) chain, and requires the cytosolic regulatory subunits at least NCF1/p47-phox, NCF2/p67-phox, NCF4/p40-phox and the small GTPase RAC1 or RAC2 for activity. Functions in superoxide generation by the NADPH-dependent reduction of O2. [GOC:jl, PMID:11483596, PMID:12440767]
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C5: Ontology GO: Gene Ontology GO:CC: GO Cellular Component