纯度

> 95 % as determined by SDS-PAGE.

内毒素

< 1.0 EU per μg protein as determined by the LAL method.

生物活性

Measured in a cell proliferation assay using BaF3 mouse pro-B cells transfected with human IL­20 Rα and human IL­20 Rβ.
The ED₅₀ for this effect is typically 0.2-2 ng/mL.

蛋白构建

A DNA sequence encoding the human IL19 (AAF06663.1) (Met1-Ala177) was expressed with a polyhistidine tag at the C-terminus.

NP No.

表达宿主

Baculovirus-Insect Cells

种属

Human

预测 N 端

Leu 25

分子量

The recombinant human IL19 consists 164 amino acids and predicts a molecular mass of 19.2 kDa.

缓冲液

Lyophilized from sterile 20 mM Tris, 500 mM NaCl, 10 % glycerol, pH 7.0.
Please contact us for any concerns or special requirements.
Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.

运输方式

In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.

稳定性 & 储存条件

Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.

复溶

A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.