1.6.5.10 cytochrome b558 gp91phox and p22phox are integral membrane proteins that form a heterodimeric flavocytochrome b558, the catalytic core of the enzyme 699129 1.6.5.10 cytochrome c - 699129 1.6.5.10 FAD - 764205 1.6.5.10 FAD activity depends on added FAD 392826 1.6.5.10 FAD enzyme displays flavin absorption spectrum with peaks at 376 and 456 nm and a shoulder at around 484 nm. Protein caontains FAD 714290 1.6.5.10 FAD enzyme utilizes FAD to transfer a hydride ion from NADPH to quinones 764148 1.6.5.10 FAD one FAD per enzyme molecule of 35000 Da 392782 1.6.5.10 flavin flavoprotein, adsorption spectrum with a major peak at 456 nm 688840 1.6.5.10 flavin the enzyme is a flavoprotein 699999 1.6.5.10 FMN - 724333