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1 heterodimer known as flavocytochrome b(558) (flavocytochrome b).
2 heme binding and biosynthetic maturation of flavocytochrome b.
3 phagosomes despite the continued presence of flavocytochrome b.
4 ane, where they assemble with membrane-bound flavocytochrome b.
5 in the activation process is transferred to flavocytochrome b.
7 mutant protein and, by extension, wild-type flavocytochrome b(2) and the other flavoproteins catalyz
11 By comparison with the equivalent residue in flavocytochrome b(2) from Saccharomyces cerevisiae, argi
12 pendently expressed flavin-binding domain of flavocytochrome b(2) to 2.50 A resolution and compared t
13 wo homologous enzymes, glycolate oxidase and flavocytochrome b(2), indicated that a conserved arginin
17 (O(2)) by reducing molecular oxygen through flavocytochrome b(558) (flavocytochrome b), a heterodime
19 obial killing, and includes a membrane-bound flavocytochrome b(558) and cytosolic p67(phox), p47(phox
20 sequential interactions between Rac and the flavocytochrome b(558) and p67(phox) oxidase components
21 f the respiratory burst and up-regulation of flavocytochrome b(558) are dependent on p38 MAPK but not
22 ly of cytosolic p47(phox) and p67(phox) with flavocytochrome b(558) at the membrane is crucial for ac
23 ene for gp91(phox), the large subunit of the flavocytochrome b(558) heterodimer, account for the majo
26 closely related GTPase Cdc42 at the level of flavocytochrome b(558) that regulates the formation of R
27 vity is by increasing membrane expression of flavocytochrome b(558) through exocytosis of intracellul
28 bearing polypeptide core of human neutrophil flavocytochrome b(558) was isolated by applying high per
29 reviously to increase membrane expression of flavocytochrome b(558), a component of the NADPH oxidase
32 unit of the membrane-bound oxidase component flavocytochrome b(558), is an in vitro substrate for bot
33 (phox), which together with gp91(phox) forms flavocytochrome b(558), the catalytic core of NADPH oxid
35 the membrane component of the NADPH oxidase, flavocytochrome b(558), was actively excluded or rapidly
36 vesicles and specific granules that contain flavocytochrome b(558), with similar time courses and co
40 cular oxygen through flavocytochrome b(558) (flavocytochrome b), a heterodimeric oxidoreductase compo
42 omal colocalization of flavocytochrome b558 (flavocytochrome b) and p47phox and p67phox (p47/67phox).
43 22(phox), which form the membrane-integrated flavocytochrome b, and cytosolic subunits p47(phox) and
44 represent a site of binding interaction for flavocytochrome b, and this observation was confirmed in
45 marily hydrophobic NH(2)-terminal regions of flavocytochrome b are responsible for heme ligation.
46 ing assays, we also found that p67(phox) and flavocytochrome b competed for binding to p47(phox)after
48 The heterodimeric, integral membrane protein flavocytochrome b (Cyt b) is the catalytic core of the p
49 al features of the integral membrane protein flavocytochrome b (Cyt b) were discovered using an antib
50 s a heterodimeric integral membrane protein (flavocytochrome b (Cyt b)) that generates superoxide and
51 vity correlates with loss of p47/67phox from flavocytochrome b-enriched phagosomes and additional pho
54 These mutations also had no effect on the flavocytochrome b heme spectrum, although NADPH oxidase
56 murine bone marrow-derived macrophages that flavocytochrome b is found in the Rab11-positive recycli
58 These studies show for the first time that flavocytochrome b localizes to intracellular compartment
61 ked detectable O(2)-generating activity, and flavocytochrome b purified from these cells contained li
63 partially purified Triton X-100-solubilized flavocytochrome b that had been exposed to endoproteinas
64 te to the plasma membrane and associate with flavocytochrome b to form the active superoxide-generati
65 ane, which may act as a reservoir to deliver flavocytochrome b to the cell surface and phagosome memb
66 our data demonstrate that both p67(phox) and flavocytochrome b utilize a common binding site in p47(p
67 o gp91(phox), heterodimers did not form, and flavocytochrome b was not expressed on the surface of ce
68 ve Pak bound directly to p22phox, suggesting flavocytochrome b was the oxidase-associated membrane ta
69 iochemical and functional features of normal flavocytochrome b with those in cells expressing gp91(ph