1. Recombinant Proteins
  2. Cytokines and Growth Factors GMP-grade Proteins
  3. Interleukin & Receptors
  4. IL-4
  5. GMP IL-4 Protein, Human (HEK293)

GMP IL-4 Protein, Human (HEK293)

Cat. No.: HY-P70750G
COA Handling Instructions

GMP IL-4 Protein, Human (HEK293) is a recombinant GMP-grade protein produced by HEK293 cells with C-His tag. IL-4 is an anti-inflammatory cytokine acting as a pleiotropic regulator of numerous immune and inflammatory processes.

For research use only. We do not sell to patients.

Size Price Stock Quantity
50 μg $600 In-stock
500 μg $2100 Get quote
1 mg $3000 Get quote

* Please select Quantity before adding items.

Top Publications Citing Use of Products
  • Biological Activity

  • Technical Parameters

  • Properties

  • Documentation

  • References

Description

GMP IL-4 Protein, Human (HEK293) is a recombinant GMP-grade protein produced by HEK293 cells with C-His tag. IL-4 is an anti-inflammatory cytokine acting as a pleiotropic regulator of numerous immune and inflammatory processes.

Background

Interleukin-4 (IL-4), also known as B cell-stimulatory factor-1, is a cytokine that plays an important role in regulating inflammation and immune responses. It is typically secreted by T helper 2 lymphocytes, mast cells, eosinophils, and basophils and plays a protective role in neurological disorders (e.g., multiple sclerosis, spinal cord injury). IL-4 induces the differentiation of naïve helper T cells to Th2 cells. This cytokine binds the IL-4 receptor that also binds another cytokine interleukin 13 (IL-13), which may explain the overlapping functions of IL-4 and IL-13. IL-4 application at injured nerves in mice shifted F4/80+ macrophages from the proinflammatory M1 to the antiinflammatory M2 phenotype, which synthesized opioid peptides (Met-enkephalin, β-endorphin, and dynorphin A 1-17)[1][2].

Biological Activity

The specific activity is >1×107 U/mg.

Species

Human

Source

HEK293

Tag

Tag Free

Accession

P05112 (H25-S153)

Gene ID
Synonyms
Interleukin-4; IL-4; B-Cell Stimulatory Factor 1; BSF-1; Binetrakin; Lymphocyte Stimulatory Factor 1; Pitrakinra; IL4
AA Sequence

HKCDITLQEIIKTLNSLTEQKTLCTELTVTDIFAASKNTTEKETFCRAATVLRQFYSHHEKDTRCLGATAQQFHRHKQLIRFLKRLDRNLWGLAGLNSCPVKEANQSTLENFLERLKTIMREKYSKCSS

Molecular Weight

Approximately 18.0 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE.

Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.2 μm filtered solution of 20 mM PB, 150 mM NaCl, pH 7.4.

Endotoxin Level

<0.1 EU/μg, determined by LAL method.

Reconstitution

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

Storage & Stability

Stored at -20°C. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer. It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Documentation
References

GMP IL-4 Protein, Human (HEK293) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

The reconstitution calculator equation

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

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

The dilution calculator equation

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

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

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

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GMP IL-4 Protein, Human (HEK293)
Cat. No.:
HY-P70750G
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