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Human CD200 / OX-2 Protein  pdf  pdf  pdf


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OX2-H5228-100ug
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Synonym

CD200,MOX1,MOX2,MRC,OX-2,My033

Source

Human CD200, His Tag (OX2-H5228) is expressed from human 293 cells (HEK293). It contains AA Gln 31 - Gly 232 (Accession # AAH22522).

Predicted N-terminus: Gln 31

Molecular Characterization

CD200(Gln 31 - Gly 232)AAH22522
Poly-his

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

The protein has a calculated MW of 23.4 kDa. The protein migrates as 35-45 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

Endotoxin

Less than 1.0 EU per μg by the LAL method.

Purity

>98% as determined by SDS-PAGE.

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.

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.

Storage

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

Please avoid repeated freeze-thaw cycles.

No activity loss is observed after storage at:

  1. 4-8°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

SDS-PAGE

Human CD200, His Tag (Cat. No. OX2-H5228) SDS-PAGE gel

Human CD200, 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 98%.

 

Background

CD200 is also known as OX-2 membrane glycoprotein (OX-2), is a type-1 membrane glycoprotein, which contains two immunoglobulin domains (1 Ig-like C2-type (immunoglobulin-like) domain and Ig-like V-type (immunoglobulin-like) domain), and thus belongs to the immunoglobulin superfamily. CD200 / OX-2 is widely expressed in multiple cell types. CD200 interacts with a structurally related receptor (CD200R) expressed mainly on myeloid cells and is involved in regulation of macrophage and mast cell function. OX-2 / CD200 and CD200R associate via their respective N-terminal Ig-like domains. CD200 also plays an important role in prevention of graft rejection, autoimmune diseases and spontaneous abortion.

References

Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.


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