- Catalog number
- A00328-3
- Size / count
- 100 µg/Vial
- Dry ice
- No
- Hazardous
- No
- Discontinued
- No
- Background
- NOX2 (NADPH OXIDASE 2), also called CYBB (CYTOCHROME b (-245), BETA SUBUNIT), p91-PHOX or GP91-1, is a human gene encoding a glycoprotein. NOX2 is an essential component of phagocytic NADPH-oxidase, a membrane-bound enzyme complex that generates large quantities of microbicidal superoxide and other oxidants upon activation. It is mapped on Xp11.4. NOX2 assembled on DC phagosomes in a gp91-phox subunit-dependent manner, and that reactive oxygen species were produced in a more sustained manner in immature DC phagosomes than in macrophage phagosomes. As a major player in innate immune responses in neutrophils, NOX2 is also involved in adaptive immunity through its activity in DCs. In heart cells, physiologic stretch rapidly activates reduced-form NOX2 to produce reactive oxygen species (ROS) in a process dependent on microtubules (X-ROS signaling) .
- Synonyms
- Cytochrome b-245 heavy chain; CGD91-phox; Cytochrome b (558) subunit beta; Cytochrome b558 subunit beta; Heme-binding membrane glycoprotein gp91phox; NADPH oxidase 2; Neutrophil cytochrome b 91 kDa polypeptide; Superoxide-generating NADPH oxidase heavy chain subunit; gp91-1; gp91-phox; p22 phagocyte B-cytochrome; CYBB; NOX2
- Gene Name
- CYBB
- Gene ID
- 1536
- UniProt
- P04839
- Host
- Rabbit
- Reactivity
- Human
- Cross Reactivity
- No cross-reactivity with other proteins.
- Immunogen
- E.coli-derived human NOX2/gp91phox/CYBB recombinant protein (Position: E124-R559) .
- Clonality
- Polyclonal
- Tissue Specificity
- Detected in neutrophils (at protein level) .
- Applications
- WB, IHC, ICC, IF, Flow Cytometry, ELISA
- Field of Research
- Adaptive Immunity, Cancer, Cancer Metabolism, Immunology, Metabolism, T Cells
- Purification
- Immunogen affinity purified.
- Concentration
- Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.
- Form
- Lyophilized
- Reconstitution
- Add 0.2ml of distilled water will yield a concentration of 500μg/ml.
- Function
- Critical component of the membrane-bound oxidase of phagocytes that generates superoxide. It is the terminal component of a respiratory chain that transfers single electrons from cytoplasmic NADPH across the plasma membrane to molecular oxygen on the exterior. Also functions as a voltage-gated proton channel that mediates the H (+) currents of resting phagocytes. It participates in the regulation of cellular pH and is blocked by zinc.
- References & Citations
- 1. Bionda, C., Li, X. J., van Bruggen, R., Eppink, M., Roos, D., Morel, F., Stasia, M.-J. Functional analysis of two-amino acid substitutions in gp91phox in a patient with X-linked flavocytochrome b (558) -positive chronic granulomatous disease by means of transgenic PLB-985 cells. Hum. Genet. 115: 418-427, 2004. 2. Bolscher, B. G. J. M., de Boer, M., de Klein, A., Weening, R. S., Roos, D. Point mutations in the beta-subunit of cytochrome b (558) leading to X-linked chronic granulomatous disease. Blood 77: 2482-2487, 1991. 3. Entrez Gene: CYBB cytochrome b-245, beta polypeptide (chronic granulomatous disease) .
- Storage Conditions
- Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.
- Observed Molecular Weight
- 65 kDa
- Applications Notes
- 6
- Gene Name Synonym
- Cytochrome b-245, beta polypeptide
- Subcellular Location
- Cell membrane; Multi-pass membrane protein.
- Isotype
- Rabbit IgG
- Contents
- Each vial contains 4mg Trehalose, 0.9mg NaCl, 0.2mg Na2HPO4, 0.005mg NaN3.