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Product Details
Synonyms
CD200R, CRTR2, MOX2R, OX2R
Source
Human CD200 R1, His Tag (CR2-H52H6) is expressed from human 293 cells (HEK293). It contains AA Ala 27 - Leu 266 (Accession # AAQ19772.1).
Predicted N-terminus: Ala 27
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 28.7 kDa. The protein migrates as 48-65 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 0.01 EU per μg by the LAL method / rFC method.
Purity
>90% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
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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.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
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Performance Data
SDS-PAGE
Human CD200 R1, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Human CD200 R1, His Tag (Cat. No. CR2-H52H6) is more than 95% and the molecular weight of this protein is around 40-55 kDa verified by SEC-MALS.
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Bioactivity-ELISA
Immobilized Human CD200, Fc Tag (Cat. No. OX2-H5251) at 5 μg/mL (100 μL/well) can bind Human CD200 R1, His Tag (Cat. No. CR2-H52H6) with a linear range of 20-78 ng/mL (QC tested).
Protocol
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Background
This gene encodes a receptor for the OX-2 membrane glycoprotein. Both the receptor and substrate are cell surface glycoproteins containing two immunoglobulin-like domains. This receptor is restricted to the surfaces of myeloid lineage cells and the receptor-substrate interaction may function as a myeloid downregulatory signal.
CD200 and its receptor CD200R are both type-1 membrane glycoproteins, which are members of the immunoglobulin superfamily (IgSF). Besides the inhibitory effect on macrophages, CD200/CD200R also play an important role in regulating the regulatory T cells, allergicreaction, autoimmune diseases, allograft, neurological diseases and other autoimmune-related diseases.
The interaction between CD200, which is mainly present in neurons but also in astrocytes, and CD200R1, which is mainly present in microglia, is one of the mechanisms involved in keeping the microglial proinflammatory phenotype under control in physiological conditions. Alterations in the expression of CD200 and CD200R1 have been described in neurodegenerative diseases, but little is known about the mechanism of regulation of these proteins under physiological or pathological conditions.
Recent Advances
Drug Development Progress- English Name：
Cell surface glycoprotein CD200 receptor 1
- Category：
- Approved Drugs：
0 Details
- Drugs in Clinical Trials：
3 Details
- Highest Development Stage：
Phase 2 Clinical
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