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Cynomolgus IL-23 alpha & Mouse IL-12 beta Heterodimer Protein, His Tag&Tag Free

分子别名(Synonym)

IL-23 alpha & IL-12 beta

表达区间及表达系统(Source)

Cynomolgus IL-23A & Mouse IL-12B Heterodimer Protein, His Tag&Tag Free (ILB-CM52W8) is expressed from human 293 cells (HEK293). It contains AA Val 22 - Pro 189 (IL23A) & Met 23 - Ser 335 (IL12B) (Accession # A0A2K5TLV4-1 (IL23A) & P43432-1 (IL12B)).

Predicted N-terminus: His (IL23A) & Met 23 (IL12B)

蛋白结构(Molecular Characterization)

Online(Val 22 - Pro 189 (IL23A) & Met 23 - Ser 335 (IL12B)) A0A2K5TLV4-1 (IL23A) & P43432-1 (IL12B)

Cynomolgus IL-23A & Mouse IL-12B Heterodimer Protein, His Tag&Tag Free, produced by co-expression of IL-23 alpha and IL-12 beta, has a calculated MW of 20.3 kDa (IL-23 alpha) and 35.8 kDa (IL-12 beta). Subunit IL-23 alpha is fused with a polyhistidine tag at the N-terminus and subunit IL-12 beta contains no tag. The reducing (R) protein migrates as 20-23 kDa (IL-23 alpha) and 40-42 kDa and 43-46 kDa (IL-12 beta) respectively due to glycosylation.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>90% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

Contact us for customized product form or formulation.

重构方法(Reconstitution)

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

存储(Storage)

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:

  1. -20°C to -70°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Cynomolgus IL-23A & Mouse IL-12B Heterodimer Protein, His Tag&Tag Free (Cat. No. ILB-CM52W8) SDS-PAGE gel

Cynomolgus IL-23A & Mouse IL-12B Heterodimer Protein, His Tag&Tag Free on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.

 

活性(Bioactivity)-ELISA

Biotinylated Human ELISA

Immobilized Biotinylated Human IL-23 R, Fc,Avitag (Cat. No. ILR-H82F3) at 1 μg/mL (100 μL/well) on Streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate, can bind Cynomolgus IL-23A & Mouse IL-12B Heterodimer Protein, His Tag&Tag Free (Cat. No. ILB-CM52W8) with a linear range of 0.03-0.25 μg/mL (QC tested).

Protocol

活性(Bioactivity)-BLI

Biotinylated Human BLI

Loaded Human IL-23 R, Fc Tag (Cat. No. ILR-H5254) on Protein A Biosensor, can bind Cynomolgus IL-23A & Mouse IL-12B Heterodimer Protein, His Tag&Tag Free (Cat. No. ILB-CM52W8) with an affinity constant of 9.4 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

Protocol

 

背景(Background)

Interleukin-23 subunit alpha (IL-23 alpha) can associates with IL12B to form the IL-23 interleukin, a heterodimeric cytokine which functions in innate and adaptive immunity. IL-23 may constitute with IL-17 an acute response to infection in peripheral tissues. IL-23 binds to a heterodimeric receptor complex composed of IL12RB1 and IL23R, activates the Jak-Stat signaling cascade, stimulates memory rather than naive T-cells and promotes production of proinflammatory cytokines. IL-23 induces autoimmune inflammation and thus may be responsible for autoimmune inflammatory diseases and may be important for tumorigenesis.

 

前沿进展

 
货号/价格

ILB-CM52W8-50ug / ¥3500

ILB-CM52W8-1mg / ¥35000

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