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NOX4 Protein, Human (Cell-Free, His)

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When NOX4 protein complexes with CYBA/p22phox, superoxide is generated in cells. It regulates signaling cascades and inhibits phosphatases. NOX4 Protein, Human (His) is the recombinant human-derived NOX4, expressed by E. coli Cell-free, with N-10*His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: E. coli Cell-free
  • Storage:
    Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
  • NOX4 Protein, Human (Cell-Free, His) Product Image
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To place orders, for customer services and technical support, please contact: MedChemExpress USA

Tel: 609-228-6898 E-mail: [email protected] [email protected]

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To place orders, for customer services and technical support, please contact:

609-228-6898
[email protected] [email protected]
Find Your Local Distributor Your local distributor: Hycultec GmbHHycultec
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs
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Biological Activity

Description

When NOX4 protein complexes with CYBA/p22phox, superoxide is generated in cells. It regulates signaling cascades and inhibits phosphatases. NOX4 Protein, Human (His) is the recombinant human-derived NOX4, expressed by E. coli Cell-free, with N-10*His labeled tag.

Background

NOX4 protein is a constitutive NADPH oxidase that generates superoxide within cells when it forms a complex with CYBA/p22phox. It is involved in regulating signaling cascades, potentially through inhibiting phosphatases. NOX4 may act as an oxygen sensor, influencing the activity of the KCNK3/TASK-1 potassium channel and HIF1A. It may also play a role in regulating insulin signaling, apoptosis, bone resorption, and lipolysaccharide-induced activation of NFKB. Additionally, NOX4 might produce superoxide in the nucleus, contributing to the regulation of gene expression following cell stimulation. Notably, isoform 3 is non-functional, while isoform 5 and isoform 6 exhibit reduced activity. NOX4 is implicated in redox signaling in vascular cells, generating reactive oxygen species (ROS) constitutively and NADPH-dependently. It modulates the activation of ERK1/2 and the ELK1 transcription factor in the nucleus and can induce nuclear DNA damage. Isoform 4, compared to isoform 1, demonstrates increased activity.

Technical Parameters

  • Species Human
  • Source E. coli Cell-free
  • Tag N-10*His
  • Accession

    Q9NPH5-1 (M1-S578)

  • Gene ID
    50507
  • Molecular Construction
    • N-term
    • 10*His
    • NOX4 (M1-S578)
      Accession # Q9NPH5-1
    • C-term
  • Protein Length

    Full Length of Isoform-1

  • Synonyms

    NOX4; Kidney Superoxide-Producing NADPH Oxidase; NADPH Oxidase 4; Renal NAD(P)H-Oxidase; KOX-1; Kidney Oxidase-1; KOX; RENOX

  • AA Sequence

    MAVSWRSWLANEGVKHLCLFIWLSMNVLLFWKTFLLYNQGPEYHYLHQMLGLGLCLSRASASVLNLNCSLILLPMCRTLLAYLRGSQKVPSRRTRRLLDKSRTFHITCGVTICIFSGVHVAAHLVNALNFSVNYSEDFVELNAARYRDEDPRKLLFTTVPGLTGVCMVVVLFLMITASTYAIRVSNYDIFWYTHNLFFVFYMLLTLHVSGGLLKYQTNLDTHPPGCISLNRTSSQNISLPEYFSEHFHEPFPEGFSKPAEFTQHKFVKICMEEPRFQANFPQTWLWISGPLCLYCAERLYRYIRSNKPVTIISVMSHPSDVMEIRMVKENFKARPGQYITLHCPSVSALENHPFTLTMCPTETKATFGVHLKIVGDWTERFRDLLLPPSSQDSEILPFIQSRNYPKLYIDGPFGSPFEESLNYEVSLCVAGGIGVTPFASILNTLLDDWKPYKLRRLYFIWVCRDIQSFRWFADLLCMLHNKFWQENRPDYVNIQLYLSQTDGIQKIIGEKYHALNSRLFIGRPRWKLLFDEIAKYNRGKTVGVFCCGPNSLSKTLHKLSNQNNSYGTRFEYNKESFS

  • Molecular Weight

    Approximately 66 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

    ≥ 90%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of 20 mM Tris-HCl, 0.15 M NaCl, 0.05% Brij-78, 6% trehalose, pH 8.0.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.

Storage & Stability

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Calculators

Reconstitution Calculator

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

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Dilution Calculator

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

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The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated CTLL-2 mouse cytotoxic T cells. The ED50 this effect is 0.8023 μg/ml, corresponding to a specific activity is 1246.42 units/mg.

Assay Types
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