PROVETOP

Human IL-6 Protein

Catalog No: IL6-HP001

Species
Human
Expression System
E. coli
Activity
Activity verified

Product overview

Recombinant Human IL-6 is expressed in E. coli without tag. It contains amino acid residues Val30-Met212 (UniProt accession: P05231).

Product Details

Molecular Aliases
IFN-beta-2; IL6; IL-6; BSF-2; CDF; MGI-2A; Interleukin-6; HSF; IFNB2; HGF;IFN-β-2
Protein Length
Val30-Met212
Expression System
E. coli
Theoretical Molecular Weight
The protein has a predicted 20.8 kDa same as Bis-Tris PAGE result.
Purity
> 95% as determined by Bis-Tris PAGE > 90% as determined by HPLC
Endotoxin
Less than 0.05 EU per μg by the LAL method.
Buffer / Formulation
Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
State
Lyophilized
Storage Conditions
-20 to -80°C for 12 months as supplied from date of receipt. -80°C for 3 months after reconstitution. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.
Reconstitution Advice
Dissolve the lyophilized protein in distilled water. Please refer to the Certificate of Analysis for detailed instructions.

Data Display

Bis-Tris PAGE
IL6-HP001 Bis-Tris-PAGE-white result

Human IL-6 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

SEC-HPLC
IL6-HP001 SEC-HPLC result

The purity of Human IL-6 is greater than 90% as determined by SEC-HPLC.

Cell Based Assay
IL6-HP001 Cell-Based-Assay result

Measured in a cell proliferation assay using TF‑1 human erythroleukemic cells. The ED50 for this effect is 0.1 - 0.8 ng/mL. (QC Test)

ELISA
IL6-HP001 ELISA result

Immobilized Human IL-6 at 2μg/ml (100μl/Well) on the plate. Dose response curve for Human IL-6 R alpha, hFc Tag with the EC50 6.0ng/ml determined by ELISA. (QC Test)

SPR
IL6-HP001 SPR result

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).

BLI
IL6-HP001 BLI result

Loaded Human IL-6 R alpha, hFc Tag on ProA-Biosensor can bind Human IL-6, No Tag with an affinity constant of 16.50 nM as determined in BLI assay.

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.

References

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

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