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Beschreibung

Neutrophil cytosol factor 1 (UniProt Q09014), also known as 47 kDa neutrophil oxidase factor, NADPH oxidase subunit, Ncf-1, NCF-47K, Neutrophil NADPH oxidase factor 1, p47-phox, p47phox) is encoded by the Ncf1 gene in murine species. Activation of NADPH-oxidase dependent superoxide generation requires the participation of several cytosolic factors, including p47-phox, p67-phox, p40-phox and Rac. In the resting cell, p47phox, p67phox, and p40phox form a large molecular weight cytosolic complex. Activation of the NADPH oxidase is initiated by the assembly of p47phox, p67phox, and Rac with cytochrome b558 in a 1:1:1:1 complex in the plasma membrane.