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Recombinant Human Interleukin-4/IL-4 (E. coli)

CAT: 0793-32-7043-10Size: 10 µgDry Ice: NoHazardous: No
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CAT#:0793-32-7043-10Size:10 µg
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Description
Source: E.coli. MW :15.1kD. Recombinant Human Interleukin-4 is produced by our E.coli expression system and the target gene encoding His25-Ser153 is expressed. 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.
Gene Name
IL4
Gene ID
3565
UniProt
P05112
Components
Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.4.
Shipping Conditions
The product is shipped at ambient temperature.
Storage Conditions
Lyophilized protein should be stored at -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 4-7°C for 2-7 days. Aliquots of reconstituted samples are stable at -20°C for 3 months.
Applications Notes
Always centrifuge tubes before opening. Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100 μg/ml. Dissolve the lyophilized protein in ddH2O. Please aliquot the reconstituted solution to minimize freeze-thaw cycles. Endotoxin : Less than 0.1 ng/μg (1 IEU/μg) as determined by LAL test. Biological Activity : ED50 is less than 2 ng/ml. Specific Activity of 5.0 x 10^6 IU/mg.
Amino Acids
MHKCDITLQEIIKTLNSLTEQKTLCTELTVTDIFAASKNTTEKETFCRAATVLRQFYSHHEKDTRCLGATAQQFHRHKQLIRFLKRLDRNLWGLAGLNSCPVKEANQSTLENFLERLKTIMREKYSKCSS

UniProtKB · P05112

Interleukin-4

IL4_HUMAN · Homo sapiens

View on UniProt ↗
Primary accession
P05112
Review status
UniProtKB reviewed (Swiss-Prot)
Gene
IL4
Protein existence
1: Evidence at protein level
Organism
Homo sapiens (Human)
Taxonomy ID
9606
Alternative names
IL-4
EC number
—
Processing
Precursor
Secondary accessions
Q14630, Q6NZ77
Protein keywords

Technical term

3D-structureDirect protein sequencingProteomics identificationReference proteome

Coding sequence diversity

Alternative splicing

Biological process

B-cell activation

Molecular function

CytokineGrowth factor

PTM

Disulfide bondGlycoprotein

Cellular component

Secreted

Domain

Signal