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Biotinylated Human BLAME / SLAMF8 Protein, His,Avitag™

分子别名(Synonym)

BLAME,SLAMF8,CD353

表达区间及表达系统(Source)

Biotinylated Human BLAME, His,Avitag (BLE-H82E4) is expressed from human 293 cells (HEK293). It contains AA Ala 23 - Asp 233 (Accession # Q9P0V8-1).

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蛋白结构(Molecular Characterization)

BLAME Structure

This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag™).

The protein has a calculated MW of 27.1 kDa. The protein migrates as 30-35 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

标记(Labeling)

Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.

蛋白标记度(Protein Ratio)

Passed as determined by the HABA assay / binding ELISA.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>85% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in 50 mM Sodium Citrate, 150 mM NaCl, pH5.5 with trehalose as protectant.

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)

BLAME SDS-PAGE

Biotinylated Human BLAME, His,Avitag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 85%.

 

活性(Bioactivity)-ELISA

BLAME ELISA

Immobilized Human BLAME, His Tag at 2 μg/mL (100 μL/well) can bind Biotinylated Human BLAME, His,Avitag (Cat. No. BLE-H82E4) with a linear range of 1-31 ng/mL (QC tested).

Protocol

 

背景(Background)

BLAME (B-lymphocyte activator macrophage expressed) is also known as SLAM family member 8(SLAMF8), CD353. BLAME is a cell surface receptor that is expressed upon activation of macrophages (MΦs) by IFN-γ or bacteria, is a negative regulator of ROS in response to Gram+ and Gram- bacteria. May play a role in B-lineage commitment and/or modulation of signaling through the B-cell receptor. SLAMF8 is a costimulatory molecule that affects the activation of macrophages in inflammation and in immunosuppression and inflammation response to glioma cells could aid immunotherapy for glioma.

 

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