CD200 Protein, Rhesus, Recombinant (Fc Tag)

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CD200 Protein, Rhesus, Recombinant (Fc Tag): Product Information

Purity
> 95 % as determined by SDS-PAGE
Endotoxin
< 1.0 EU per μg of the protein as determined by the LAL method
Activity
Immobilized human CD200R1-His (Cat:11218-H08H) at 10 μg/ml (100 μl/well) can bind Rhesus CD200-Fc, The EC50 of Rhesus CD200-Fc is 10.1-23.6 ng/ml.
Protein Construction
A DNA sequence encoding the rhesus CD200 (NP_001244473.1) (Met1-Gly232) was expressed with the Fc region of human IgG1 at the C-terminus.
Accession#
Expressed Host
HEK293 Cells
Species
Rhesus
Predicted N Terminal
Gln 31
Molecule Mass
The recombinant rhesus CD200 comprises 443 amino acids and has a calculated molecular mass of 49.6 KDa.
Formulation
Lyophilized from sterile PBS, pH 7.4
1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Please refer to the specific buffer information in the hard copy of CoA.
Shipping
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Stability & Storage
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.

CD200 Protein, Rhesus, Recombinant (Fc Tag): Images

CD200 Background Information

CD2 (OX-2) is a cell surface glycoprotein that imparts immune privileges by suppressing alloimmune and autoimmune responses through its receptor, CD2R, expressed primarily on myeloid cells. Signals delivered through the CD2:CD2R axis have been shown to play an important role in the regulation of anti-tumor immunity, and overexpression of CD2 has been reported in a number of malignancies, including CLL, as well as on cancer stem cells. The role of CD2-CD2R signaling in immune regulation of the central nervous system has become a popular field of research in recent years. Many studies have shown that there is a close correlation between CD2-CD2R, microglia activation, and Parkinson's disease (PD). The ability of CD2 to suppress myeloid cell activation is critical for maintaining normal tissue homeostasis but may also enhance the survival of migratory neoplastic cells. CD2 and CD2R associate via their respective N-terminal Ig-like domains. CD2 has been characterized as an important immunoregulatory molecule, increased expression of which can lead to decreased transplant rejection, autoimmunity, and allergic disease. Elevated CD2 expression has been reported to be associated with poor prognosis in a number of human malignancies. In addition, CD2 also plays an important role in prevention of graft rejection, autoimmune diseases and spontaneous abortion.
Full Name
Cd200 molecule
References
  • Minas K, et al. (2006) Is the CD200/CD200 receptor interaction more than just a myeloid cell inhibitory signal? Crit Rev Immunol. 26(3): 213-30.
  • Wang XJ, et al. (2007) CD200-CD200R regulation of microglia activation in the pathogenesis of Parkinson's disease. J Neuroimmune Pharmacol. 2(3): 259-64.
  • Wong KK, et al. (2010) The role of CD200 in immunity to B cell lymphoma. J Leukoc Biol. 88(2): 361-72.
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