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 >  经SPR验证的蛋白>DNAM-1 >DN1-M52H5

Mouse DNAM-1 / CD226 Protein, His Tag (SPR verified)

分子别名(Synonym)

DNAM1,CD226,PTA1

表达区间及表达系统(Source)

Mouse DNAM-1, His Tag (DN1-M52H5) is expressed from human 293 cells (HEK293). It contains AA Glu 19 - His 250 (Accession # Q5DW69-1).

Predicted N-terminus: Glu 19

Request for sequence

蛋白结构(Molecular Characterization)

Online(Glu 19 - His 250) Q5DW69-1

This protein carries a polyhistidine tag at the C-terminus.

The protein has a calculated MW of 28.1 kDa. The protein migrates as 40-50 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>95% 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)

Mouse DNAM-1, His Tag (Cat. No. DN1-M52H5) SDS-PAGE gel

Mouse DNAM-1, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

活性(Bioactivity)-SPR

Biotinylated Human SPR

Human CD155, Fc Tag (Cat. No. CD5-H5251) captured on CM5 chip via Anti-human IgG Fc antibodies surface can bind Mouse DNAM-1, His Tag (Cat. No. DN1-M52H5) with an affinity constant of 0.816 μM as determined in a SPR assay (Biacore 8K) (QC tested).

Protocol

 

背景(Background)

DNAX accessory molecule 1 (DNAM-1), a single-pass type I membrane protein, is also known as CD226 antigen and platelet and T cell activation antigen 1 (PTA1), which contains 2 Ig-like C2-type (immunoglobulin-like) domains. DNAM-1 is a ~65 kDa glycoprotein expressed on the surface of natural killer cells, platelets, monocytes and a subset of T cells. DNAM-1 mediates cellular adhesion to other cells bearing its ligands, CD112 and CD155, and cross-linking DNAM-1 with antibodies causes cellular activation. Furthermore, DNAM-1 can interact with PVR and PVRL2.

 

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