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AB247448

Anti-p40-phox antibody [EP2142Y] - BSA and Azide free

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(1 Publication)

Rabbit Recombinant Monoclonal p40-phox antibody. Carrier free. Suitable for ICC/IF, IP, WB, IHC-P, Flow Cyt (Intra) and reacts with Human samples. Cited in 1 publication.

View Alternative Names

SH3PXD4, NCF4, Neutrophil cytosol factor 4, NCF-4, Neutrophil NADPH oxidase factor 4, SH3 and PX domain-containing protein 4, p40-phox, p40phox

5 Images
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p40-phox antibody [EP2142Y] - BSA and Azide free (AB247448)
  • IHC-P

Unknown

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p40-phox antibody [EP2142Y] - BSA and Azide free (AB247448)

This data was developed using ab76158, the same antibody clone in a different buffer formulation.

ab76158 at 1/100-1/250 dilution staining p40-phox in human spleen by Immunohistochemistry, Paraffin-embedded tissue.

Immunocytochemistry/ Immunofluorescence - Anti-p40-phox antibody [EP2142Y] - BSA and Azide free (AB247448)
  • ICC/IF

Unknown

Immunocytochemistry/ Immunofluorescence - Anti-p40-phox antibody [EP2142Y] - BSA and Azide free (AB247448)

This data was developed using ab76158, the same antibody clone in a different buffer formulation.

ICC/IF image of ab76158 stained MCF7 cells. The cells were 4% formaldehyde fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab76158, 1/25 dilution) overnight at +4°C. The secondary antibody (green) was ab96899, DyLight® 488 goat anti-rabbit IgG (H+L) used at a 1/250 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43μM.

Flow Cytometry (Intracellular) - Anti-p40-phox antibody [EP2142Y] - BSA and Azide free (AB247448)
  • Flow Cyt (Intra)

Unknown

Flow Cytometry (Intracellular) - Anti-p40-phox antibody [EP2142Y] - BSA and Azide free (AB247448)

This data was developed using ab76158, the same antibody clone in a different buffer formulation.Overlay histogram showing K562 cells stained with ab76158 (red line). The cells were fixed with 80% methanol (5 min) and then permeabilized with 0.1% PBS-Tween for 20 min. The cells were then incubated in 1x PBS / 10% normal goat serum / 0.3M glycine to block non-specific protein-protein interactions followed by the antibody (ab76158, 1/100 dilution) for 30 min at 22°C. The secondary antibody used was DyLight® 488 goat anti-rabbit IgG (H+L) (ab96899) at 1/500 dilution for 30 min at 22°C. Isotype control antibody (black line) was rabbit IgG (monoclonal) (1μg/1x106 cells) used under the same conditions. Acquisition of >5,000 events was performed.

Immunoprecipitation - Anti-p40-phox antibody [EP2142Y] - BSA and Azide free (AB247448)
  • IP

Lab

Immunoprecipitation - Anti-p40-phox antibody [EP2142Y] - BSA and Azide free (AB247448)

This data was developed using ab76158, the same antibody clone in a different buffer formulation.

p40-phox was immunoprecipitated from 0.35 mg HL-60 (Human acute promyelocytic leukemia promyeloblast) whole cell lysate 10 μg with ab76158 at 1/50 dilution (2μg). VeriBlot for IP Detection Reagent (HRP) (ab131366) was used at 1/5000 dilution.

Lane 1 : HL-60 (Human acute promyelocytic leukemia promyeloblast) whole cell lysate 10 μg

Lane 2 : ab76158 IP in HL-60 whole cell lysate

Lane 3 : Rabbit monoclonal IgG (ab172730) instead of ab76158 in HL-60 whole cell lysate

Blocking and dilution buffer and concentration : 5% NFDM/TBST.

All lanes:

Immunoprecipitation - Anti-p40-phox antibody [EP2142Y] (<a href='/en-us/products/primary-antibodies/p40-phox-antibody-ep2142y-ab76158'>ab76158</a>)

Predicted band size: 39 kDa

Observed band size: 39 kDa

false

Western blot - Anti-p40-phox antibody [EP2142Y] - BSA and Azide free (AB247448)
  • WB

Unknown

Western blot - Anti-p40-phox antibody [EP2142Y] - BSA and Azide free (AB247448)

This data was developed using ab76158, the same antibody clone in a different buffer formulation.

All lanes:

Western blot - Anti-p40-phox antibody [EP2142Y] (<a href='/en-us/products/primary-antibodies/p40-phox-antibody-ep2142y-ab76158'>ab76158</a>) at 1/50000 dilution

All lanes:

HL60 cell lysate at 10 µg

Secondary

All lanes:

Goat anti-rabbit HRP conjugated at 1/2000 dilution

Predicted band size: 39 kDa

Observed band size: 39 kDa

false

  • Unconjugated

    Anti-p40-phox antibody [EP2142Y]

  • 660 APC

    APC Anti-p40-phox antibody [EP2142Y]

  • 519 Alexa Fluor® 488

    Alexa Fluor® 488 Anti-p40-phox antibody [EP2142Y]

  • 565 Alexa Fluor® 555

    Alexa Fluor® 555 Anti-p40-phox antibody [EP2142Y]

  • 603 Alexa Fluor® 568

    Alexa Fluor® 568 Anti-p40-phox antibody [EP2142Y]

  • 617 Alexa Fluor® 594

    Alexa Fluor® 594 Anti-p40-phox antibody [EP2142Y]

  • 665 Alexa Fluor® 647

    Alexa Fluor® 647 Anti-p40-phox antibody [EP2142Y]

  • 775 Alexa Fluor® 750

    Alexa Fluor® 750 Anti-p40-phox antibody [EP2142Y]

  • HRP

    HRP Anti-p40-phox antibody [EP2142Y]

  • 578 PE

    PE Anti-p40-phox antibody [EP2142Y]

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EP2142Y

Isotype

IgG

Carrier free

Yes

Reacts with

Human

Applications

Flow Cyt (Intra), WB, IP, IHC-P, ICC/IF

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "ICCIF" : {"fullname" : "Immunocytochemistry/ Immunofluorescence", "shortname":"ICC/IF"}, "IP" : {"fullname" : "Immunoprecipitation", "shortname":"IP"}, "WB" : {"fullname" : "Western blot", "shortname":"WB"}, "IHCP" : {"fullname" : "Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)", "shortname":"IHC-P"}, "FlowCytIntra" : {"fullname" : "Flow Cytometry (Intracellular)", "shortname":"Flow Cyt (Intra)"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "ICCIF-species-checked": "testedAndGuaranteed", "ICCIF-species-dilution-info": "", "ICCIF-species-notes": "<p></p>", "IP-species-checked": "testedAndGuaranteed", "IP-species-dilution-info": "", "IP-species-notes": "<p></p>", "WB-species-checked": "testedAndGuaranteed", "WB-species-dilution-info": "", "WB-species-notes": "<p></p>", "IHCP-species-checked": "testedAndGuaranteed", "IHCP-species-dilution-info": "", "IHCP-species-notes": "<p></p>", "FlowCytIntra-species-checked": "testedAndGuaranteed", "FlowCytIntra-species-dilution-info": "", "FlowCytIntra-species-notes": "<p></p>" } } }

Product details

ab247448 is the carrier-free version of ab76158.

Species reactivity
Mouse, Rat: We have preliminary internal testing data to indicate this antibody may not react with these species.
Please contact us for more information.

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.

Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.

Compatibility
This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.2 - 7.4 Constituents: PBS
Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C
Storage information
Do Not Freeze

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

P40-phox also known as neutrophil cytosolic factor 4 (NCF4) is a regulatory component of the NADPH oxidase complex. It is expressed in phagocytic cells such as neutrophils and macrophages. The protein plays a role in the production of reactive oxygen species (ROS) during the respiratory burst. The molecular mass of p40-phox is approximately 40 kDa. It interacts with other subunits of the NADPH oxidase complex such as p67-phox and p47-phox contributing to the assembly and activation of the complex.
Biological function summary

P40-phox participates in innate immune responses by regulating the NADPH oxidase complex's function. It acts as a scaffold to facilitate the interaction between cytosolic and membrane components. p40-phox integrates into the cytosolic fraction with other subunits and translocates to the membrane upon stimulation. This translocation is essential for generating superoxide radicals that are involved in defense against pathogens. Its functional domains enable it to bind phosphatidylinositol (34) bisphosphate which anchors the protein to the membrane. p40-phox itself is not an enzyme but modulates the activity of the complex.

Pathways

The p40 protein serves as an important player in the signaling cascade of the respiratory burst. It interacts with the phosphoinositide 3-kinase (PI3K) pathway and cooperates with other proteins like p67-phox and p47-phox through phosphorylation-dependent mechanisms. The p40-phox is phox compatible meaning it can integrate into various signaling modules. Within the oxidative burst pathway it enhances the cytosolic complex's attachment to the membrane affecting the production of ROS.

Mutations in the p40-phox have been connected to chronic granulomatous disease (CGD) characterized by recurrent infections and granuloma formation. The lack of functional p40-phox disrupts the assembly of the NADPH oxidase complex leading to decreased ROS production. This deficiency impairs the ability of phagocytes to eliminate pathogens effectively. p40-phox is also related to inflammatory disorders like inflammatory bowel disease (IBD) as variations in the NCF4 gene affect the immune response. The dysfunction in ROS production impacts the signaling involving p67-phox and p47-phox further influencing disease pathogenesis.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

Subunit of the phagocyte NADPH oxidase complex that mediates the transfer of electrons from cytosolic NADPH to O2 to produce the superoxide anion (O2(-)) (Probable). In the activated complex, electrons are first transferred from NADPH to flavin adenine dinucleotide (FAD) and subsequently transferred via two heme molecules to molecular oxygen, producing superoxide through an outer-sphere reaction (By similarity). Activation of the NADPH oxidase complex is initiated by the assembly of cytosolic subunits of the NADPH oxidase complex with the core NADPH oxidase complex to form a complex at the plasma membrane or phagosomal membrane (By similarity). This activation process is initiated by phosphorylation dependent binding of the cytosolic NCF1/p47-phox subunit to the C-terminus of CYBA/p22-phox (By similarity).
See full target information NCF4

Publications (1)

Recent publications for all applications. Explore the full list and refine your search

Nature genetics 57:1142-1154 PubMed40229600

2025

Longitudinal single-cell multiomic atlas of high-risk neuroblastoma reveals chemotherapy-induced tumor microenvironment rewiring.

Applications

Unspecified application

Species

Unspecified reactive species

Wenbao Yu,Rumeysa Biyik-Sit,Yasin Uzun,Chia-Hui Chen,Anusha Thadi,Jonathan H Sussman,Minxing Pang,Chi-Yun Wu,Liron D Grossmann,Peng Gao,David W Wu,Aliza Yousey,Mei Zhang,Christina S Turn,Zhan Zhang,Shovik Bandyopadhyay,Jeffrey Huang,Tasleema Patel,Changya Chen,Daniel Martinez,Lea F Surrey,Michael D Hogarty,Kathrin Bernt,Nancy R Zhang,John M Maris,Kai Tan
View all publications

Product promise

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