IL-4 Recombinant Protein


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Product Details

Reactivity RtSpecies Glossary

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IL-4 Recombinant Protein Summary

A recombinant protein corresponding to Rat IL-4

Source: E. coli

Amino Acid Sequence: Amino acids residue 25-147 (122 amino acids) of rat IL-4
E. coli
Details of Functionality
The EDSO as determined by the dose-dependent stimulation of the proliferation of con A-activated rat spleen cells is < 1.5 ng/ml, corresponding to a specific activity of > 6.6 x 105 units/mg.
Endotoxin Note
<0.1 ng/ug

Packaging, Storage & Formulations

Store at -20C. Avoid freeze-thaw cycles.
No additives.
Reconstitution Instructions
Reconstitute with water to a final concentration of 0.1 - 1.0 mg/ml.


After reconstituted, dilute further with other aqueous solutions.

Alternate Names for IL-4 Recombinant Protein

  • B cell growth factor 1
  • BCDF
  • B-cell stimulatory factor 1
  • BCGF1
  • BCGF-1
  • binetrakin
  • BSF1
  • BSF-1
  • IL4
  • IL-4B_cell stimulatory factor 1
  • interleukin 4
  • interleukin-4
  • Lymphocyte stimulatory factor 1
  • MGC79402
  • pitrakinra


IL-4 is a potent lymphoid cell growth factor that stimulates the growth and survivability of certain B cells and T cells. Recombinant Rat IL-4 is a 14 kDa protein containing 121 amino acid residues.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Peptides and proteins are guaranteed for 3 months from date of receipt.

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Contact Information

Product PDFs


Gene Symbol IL4

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