Recombinant Human IL-36 Alpha protein

Background

Interleukin-36 (IL-36) is a pro-inflammatory cytokine which plays an important role in the pathophysiology of several diseases. IL-36α, IL-36β, and IL-36γ (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. Studies showed IL-36α is mainly found in skin and lymphoid tissues, but also in fetal brain, trachea, stomach and intestine. Notably, IL-36 alpha is the only novel IL-1 family member expressed on T-cells. Recombinant human interleukin-36 alpha (153 a.a.) contains 153 amino acids residues which is a single non-glycosylated polypeptide and it shares 57 – 68 % a.a. sequence identity with mouse, rabbit, equine and bovine IL-36α and 27 – 57 % a.a. sequence identity with other novel IL-1 family members.

Expression system

Escherichia coli.

Purity

> 95 % by SDS-PAGE and HPLC analyses.

Molecular weight

Approximately 17.1 kDa, a single non-glycosylated polypeptide chain containing 153 amino acids.

Endotoxin

Less than 1 EU/μg of rHuIL-36α, 153a.a. as determined by LAL method.

Form

Sterile Filtered White lyophilized (freeze-dried) powder. Formulation Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM Tris, 300 mM NaCl, pH 8.0, 0.1 % Tween 80.

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