Recombinant Human Interleukin-36 beta, 153a.a. (rHuIL-36beta,153a.a.)
FIL1 eta, IL-1 eta, IL-1F8, IL-1H2
REAAPKSYAI RDSRQMVWVL SGNSLIAAPL SRSIKPVTLH LIACRDTEFS DKEKGNMVYL GIKGKDLCLF CAEIQGKPTL QLKEKNIMDL YVEKKAQKPF LFFHNKEGST SVFQSVSYPG WFIATSTTSG QPIFLTKERG ITNNTNFYLD SVE
Interleukin-36 (IL-36) is a pro-inflammatory cytokine which plays an important role in the pathophysiology of several diseases. IL-36alpha, IL-36β, and IL-36gamma (formerly IL-1F6, IL-1F8, and IL-1F9) are IL-1 family members that signal through the IL-1 receptor family members IL-1Rrp2 (IL-1RL2) and IL-1RAcP. IL-36 beta is reported to be expressed at higher levels in psoriatic plaques than in symptomless psoriatic skin or healthy control skin and it can stimulate production of interleukin-6 and interleukin-8 in synovial fibrobasts, articular chondrocytes and mature adipocytes. It has two isoforms. IL-36β isoform 2 contains one potential N-linked glycosylation site in its C-terminus, while IL-36β isoform 1 lacks potential N-linked glycosylation sites and four of the conserved β-strands. Human IL-36βisoform 2 shares 62 %, 67 %, 63 % and 59 % a.a. identity with the most similar isoform of mouse, canine, bovine and equine IL-36β, respectively.
Approximately 17.2 kDa, a single non-glycosylated polypeptide chain containing 153 amino acids.
Fully biologically active when compared to standard. The ED50 as determined by inducing IL-8 secretion in human preadipocytes is less than 10 ng/ml, corresponding to a specific activity of > 1.0 × 105 IU/mg.
Sterile filtered white lyophilized (freeze-dried) powder.
Lyophilized from a 0.2 um filtered concentrated solution in 2 × PBS, pH 7.4.
Less than 1 EU/ug of rHuIL-36β, 153a.a. as determined by LAL method.
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤ -20°C. Further dilutions should be made in appropriate buffered solutions.
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 °C as supplied.- 1 month, 2 to 8 °C under sterile conditions after reconstitution.- 3 months, -20 to -70 °C under sterile conditions after reconstitution.
> 97 % by SDS-PAGE and HPLC analyses.
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