"IL4" Related Products

Recombinant Human Interleukin 4

Cat. No.: IL4-468H
Product Overview: Recombinant Human IL-4 produced in E.Coli is a single, non-glycosylated polypeptide chain containing 130 amino acids and having a molecular mass of 15000 Dalton.
Description: Interleukin (IL)-4, produced primarily by CD4(+) T cells is an immunomodulatory cytokine, which can inhibit the growth of tumour cells.IL-4 has been known as a Th2 cytokine and can act on B cells, T cells, and monocytes.Interleukin (IL)-4 exhibits antitumor activity in rodent experimental gliomas, which is likely mediated by the actions of IL-4 on a variety of immune cells present in and around the tumor masses.
Species: Human
Source: E.coli
Form: Lyopohilized with no additives.
Purity: Purity Greater than 98% as determined by: Analysis by RP-HPLC. Reducing and non-reducing SDS-PAGE.
Bio-activity: Recombinant Human Interleukin-4 is fully biologically active when compared to standard. The ED50 as measured by CD23 receptor binding on human proliferal macrophages at a concentration of 1.8 ng/ml.
Physical Appearance: Sterile Filtered white lyophilized (freeze-dried) powder.
Solubility: Centrifuge vial before opening. When reconstituting the product, gently pipet and wash down the sides of the vial to ensure full recovery of the protein into solution. It is recommended to reconstitute the lyophilized product with sterile water at a concentration of 0.1 mgμs/ml, which can be further diluted into other aqueous solutions.
Purity Greater than 98% as determined by: Analysis by RP-HPLC. Reducing and non-reducing SDS-PAGE.
Protein Content determined by: UV spectroscopy at 280 nm. Analysis by RP-HPLC calibrated against a known standard. Quantitation on SDS-PAGE against a known standard.
Endotoxin Level: Endotoxin level as measured by LAL is <0.01ng/ug or <0.1EU/ug.
Amino acid sequence: MHKCDITLQE IIKTLNSLTE QKTLCTELTV TDIFAASKNT TEKETFCRAA TVLRQFYSHH EKDTRCLGAT AQQFHRHKQL IRFLKRLDRN LWGLAGLNSC PVKEANQSTL ENFLERLKTI MREKYSKCSS
Storage: Lyophilized product is very stable at -20 degrees. Reconstituted material should be aliquoted and frozen at -20. It is recommended to add a carrier protein (0.1% HSA or BSA) for long term storage.
Gene Name: IL4 interleukin 4 [ Homo sapiens ]
Official Symbol: IL4
Synonyms: BSF1; IL-4; BCGF1; BCGF-1; MGC79402; BCGF; BCDF; B cell stimulating factor 1; Lymphocyte stimulatory factor 1; Binetrakin, Pitrakinra; Interleukin-4; BSF-1; B-cell stimulatory factor 1; Interleukin-4 precursor; IL4; interleukin 4
Gene ID: 3565
mRNA Refseq: NM_000589
Protein Refseq: NP_000580
MIM: 147780
UniProt ID: P05112
Chromosome Location: 5q31.1
Pathway: Cytokine-cytokine receptor interaction; Fc epsilon RI signaling pathway; Hematopoietic cell lineage; Jak-STAT signaling pathway; T cell receptor signaling pathway
Function: interleukin-4 receptor binding; protein binding

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