Address: 45-1 Ramsey Road, Shirley, NY 11967, USA    USA: 1-631-559-9269  1-631-448-7888   Fax: 1-631-938-8127  Europe: 44-207-048-3343   Email: info@creative-biomart.com
Home > Products > GMP Proteins > GMP Recombinant Human IL4 Protein

GMP Recombinant Human IL4 Protein

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Cat.No.:
IL4-150HG
Product Overview:
Recombinant Human IL4 (His25-Ser153) was produced in HEK293 cell in an animal component free process under cGMP guidelines.
Description:
Interleukin-4 (IL-4) is a pleiotropic cytokine that regulates diverse T and B cell responses including cell proliferation, survival and gene expression. IL-4 is produced by mast cells, T cells, and bone marrow stromal cells. IL-4 regulates the differentiation of naive CD4+ T cells into helper Th2 cells, characterized by their cytokine-secretion profile that includes secretion of IL-4, IL-5, IL-6, IL-10, and IL-13, which favor a humoral immune response. Another dominant function of IL-4 is the regulation of immunoglobulin class switching to the IgG1 and IgE isotypes. Excessive IL-4 production by Th2 cells has been associated with elevated IgE production and allergic response.
Source:
HEK293 cell
Species:
Human
Form:
Lyophilized.
Bio-activity:
Measured in a cell proliferation assay using TF‑1 human erythroleukemic cells.
The ED50 for this effect is typically 0.08-0.2 ng/ml.
AA Sequence:
HKCDITLQEIIKTLNSLTEQKTLCTELTVTDIFAASKNTTEKETFCRAATVLRQFYSHHEKDTRC LGATAQQFHRHKQLIRFLKRLDRNLWGLAGLNSCPVKEANQSTLENFLERLKTIMREKYSKCSS
Residual Host Cell DNA Content:
<10pg/mg
Residual Host Cell Protein Content:
<1ug/mg
Endotoxin:
<0.1EU/ug
Purity:
Greater than 95% as determined by reducing SDS-PAGE.
Usage:
Recommemnd working concentration: 50-100ng/ml or 500-1000U/ml
Storage:
Lyophilized and reconstituted protein should be stored at -80 centigrade. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Reconstitution:
Always centrifuge tubes before opening. Do not mix by vortex or pipetting.
It is not recommended to reconstitute to a concentration >100μg/ml.
Dissolve the lyophilized protein in ddH2O.
Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Quality Statement:
Our GMP proteins are produced according to relevant sections of the following documents: WHO TRS, No. 822, 1992 Annex 1, Good Manufacturing Practices for Biological Products; USP Chapter 1043, Ancillary Materials for Cell, Gene and Tissue-Engineered Products and USP Chapter 92, Growth Factors and Cytokines Used in Cell Therapy Manufacturing.
Shipping:
The product is shipped at ambient temperature. Upon receipt, store it immediately at the recommended temperature.


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Optional requirements on this protein +Expand
C-fusion   N-fusion  Non-tagged
His   GST  Fc  Others
<1.0 eu/μg   <0.1 eu/μg  <0.01 eu/μg  Not required
Monomer Isolation   Dimer Isolation   Not required
>80% by SDS-PAGE   >90% by SDS-PAGE  >95% by SDS-PAGE  Others
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45-1 Ramsey Road, Shirley, NY 11967, USA
USA: 1-631-559-9269  1-631-448-7888
Europe: 44-207-048-3343
FAX: 1-631-938-8127
EMAIL: info@creative-biomart.com

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