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AB134628

Recombinant Human p40-phox protein (His tag N-Terminus)

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Recombinant Human p40-phox protein (His tag N-Terminus) is a Human Full Length protein, in the 1 to 339 aa range, expressed in Escherichia coli, with >90%, suitable for SDS-PAGE, Mass Spec.

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

1 Images
SDS-PAGE - Recombinant Human p40-phox protein (His tag N-Terminus) (AB134628)
  • SDS-PAGE

Unknown

SDS-PAGE - Recombinant Human p40-phox protein (His tag N-Terminus) (AB134628)

15% SDS-PAGE analysis of ab134628 (3μg)

Key facts

Purity

>90% SDS-PAGE

Expression system

Escherichia coli

Tags

His tag N-Terminus

Applications

Mass Spec, SDS-PAGE

applications

Biologically active

No

Accession

Q15080

Animal free

No

Carrier free

No

Species

Human

Storage buffer

pH: 8 Constituents: 10% Glycerol (glycerin, glycerine), 0.58% Sodium chloride, 0.32% Tris HCl, 0.02% (R*,R*)-1,4-Dimercaptobutan-2,3-diol

storage-buffer

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "SDS-PAGE": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "Mass Spec": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }
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Product details

Previously labelled as NCF4.
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Sequence info

[{"sequence":"MGSSHHHHHHSSGLVPRGSHMAVAQQLRAESDFEQLPDDVAISANIADIEEKRGFTSHFVFVIEVKTKGGSKYLIYRRYRQFHALQSKLEERFGPDSKSSALACTLPTLPAKVYVGVKQEIAEMRIPALNAYMKSLLSLPVWVLMDEDVRIFFYQSPYDSEQVPQALRRLRPRTRKVKSVSPQGNSVDRMAAPRAEALFDFTGNSKLELNFKAGDVIFLLSRINKDWLEGTVRGATGIFPLSFVKILKDFPEEDDPTNWLRCYYYEDTISTIKDIAVEEDLSSTPLLKDLLELTRREFQREDIALNYRDAEGDLVRLLSDEDVALMVRQARGLPSQKRLFPWKLHITQKDNYRVYNTMP","proteinLength":"Full Length","predictedMolecularWeight":"41.1 kDa","actualMolecularWeight":null,"aminoAcidEnd":339,"aminoAcidStart":1,"nature":"Recombinant","expressionSystem":"Escherichia coli","accessionNumber":"Q15080","tags":[{"tag":"His","terminus":"N-Terminus"}]}]
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Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
False
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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.
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Specifications

Form

Liquid

Additional notes

ab134628 was purified using conventional chromatography techniques.

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General info

Function

Component of the NADPH-oxidase, a multicomponent enzyme system responsible for the oxidative burst in which electrons are transported from NADPH to molecular oxygen, generating reactive oxidant intermediates. It may be important for the assembly and/or activation of the NADPH-oxidase complex.

Subcellular localisation

Endosome membrane

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Product protocols

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Target data

Component of the NADPH-oxidase, a multicomponent enzyme system responsible for the oxidative burst in which electrons are transported from NADPH to molecular oxygen, generating reactive oxidant intermediates. It may be important for the assembly and/or activation of the NADPH-oxidase complex.
See full target information NCF4
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