Name : Human IL-6 Protein

Product Source :
Recombinant Human IL-6 is expressed from E.coli without tag. It contains Val30-Met212.[Accession | P05231]

Molecular Weight :
The protein has a predicted 20.8 kDa same as Tris-Bis PAGE result.

Endotoxin Level :
Less than 1EU per μg by the LAL method.

Purity :
> 95% as determined by Tris-Bis PAGE> 90% as determined by HPLC

Formulation :
Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.

Reconstitution :
Centrifuge the tube before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in distilled water.

Storage and Stability :
-20 to -80°C for 12 months as supplied from date of receipt. -80°C for 3-6 months after reconstitution. 2-8°C for 2-7 days after reconstitution. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.

Product Concentration :
Tris-Bis PAGE Human IL-6 on Tris-Bis PAGE under reduced condition. The purity is greater than 95%. SEC-HPLC The purity of Human IL-6 is greater than 90% as determined by SEC-HPLC. ELISA Data Immobilized Human IL-6 at 0.5μg/ml (100μl/Well) on the plate. Dose response curve for Human IL-6 R alpha, hFc Tag with the EC50 48.7ng/ml determined by ELISA. SPR Data Human IL-6 R alpha, His Tag captured on CM5 Chip via anti-his antibody can bind Human IL-6, No Tag with an affinity constant of 0.22 nM as determined in SPR assay (Biacore T200). Cell Based Assay Measured in a cell proliferation assay using TF‑1 human erythroleukemic cells. The ED50 for this effect is 0.1 – 0.5 ng/mL (QC Test).

Background :
IL-6 (Interleukin-6) is a pleiotropic cytokine that acts in the acute phase reaction, inflammation, hematopoiesis, bone metabolism, and cancer progression.Interleukin 6 has been shown to interact with interleukin-6 receptor and glycoprotein.

Synonyms :
IFN-beta-2; IL6; IL-6; BSF-2; CDF; MGI-2A; Interleukin-6; HSF; IFNB2; HGF;IFN-β-2

References & Citations :
(1)Gabay C. Interleukin-6 and chronic inflammation[J]. Arthritis Research & Therapy, 2006, 8.

MedChemExpress (MCE) recombinant proteins include: cytokines, enzymes, growth factors, hormones, receptors, transcription factors, antibody fragments, etc. They are often essential for supporting cell growth, stimulating cell signaling pathways, triggering or inhibiting cell differentiation; and are useful tools for elucidating protein structure and function, understanding disease onset and progression, and validating pharmaceutical targets. At MedChemExpress (MCE), we strive to provide products with only the highest quality. Protein identity, purity and biological activity are assured by our robust quality control and assurance procedures.
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