Human recombinant IL-6 (Interleukin-6) protein, AF
Interleukin-6 (IL-6) is a pleiotropic, 22-28 kDa cytokine which plays fundamental role in the acute phase response, inflammation, bone metabolism, lymphocyte differentiation and cancer progression. Deregulation of IL-6 production was also found in several diseases, including rheumatoid arthritis, Alzheimer’s disease, autoimmune deficiency disease and different types of cancer.
Product Specifications
Synonyms
IFN-β2, B-Cell Differentiation Factor (BCDF), BSF-2, HPGF, HSF, MGI-2
Gene Name
IL6
UniProt
P05231
Reactivity
Human
Tag
His Tag (C-term)
Source
Escherichia coli
Applications
Cell Culture
Purification
>98% as determined by SDS-PAGE.
Endotoxin
<0.1 EU per 1 μg of the protein by the LAL method.
Bioactivity
Measure by its ability to induce proliferation in TF-1 cells. The ED50 for this effect is <0.5 ng/mL. The specific activity of recombinant human IL-6 is approximately >5 x 108 IU/mg. Measure by its ability to induce proliferation in MCF-7 cells. The ED50 for this effect is <4.4 ng/mL.
Form
The protein was lyophilized from a 0.2 μm filtered solution containing 1X PBS, pH 8.0. If you have any concerns or special requirements, please confirm with us.
Reconstitution
Centrifuge at 3000 rpm for 5 mins before opening. It is recommended to reconstitute the lyophilized protein in sterile H2O to a concentration not less than 100 μg/mL and incubate the stock solution at room temperature for at least 20 mins to ensure sufficient re-dissolved. Do Not Vortex! Vigorous shaking may impair the biological activity of the protein.
Molecular Weight
The protein has a calculated MW of 21.8 kDa. The protein migrates as 22 kDa under reducing condition (SDS-PAGE analysis) .
Storage Conditions
Lyophilized protein should be stored at -20°C for 1 year. Upon reconstitution, store at 2°C to 8°C for up to 1 week. Further dilute in a buffer containing a carrier protein or stabilizer (e.g. 0.1% BSA, 10%FBS, 5%HSA or 5% trehalose solution), protein aliquots should be stored at -20°C or -80°C for 3-6 months. Avoid repeated freeze/thaw cycles.
AA Sequence
MVPPGEDSKDVAAPHRQPLTSSERIDKQIRYILDGISALRKETCNKSNMCESSKEALAENNLNLPKMAEKDGCFQSGFNEETCLVKIITGLLEFEVYLEYLQNRFESSEEQARAVQMSTKVLIQFLQKKAKNLDAITTPDPTTNASLLTKLQAQNQWLQDMTTHLILRSFKEFLQSSLRALRQM with polyhistidine tag at the C-terminus.
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