وصف
CD73, an ecto-5'-Nucleotidase, is an ectoenzyme expressed by most cell types. The 5'-Nucleotidase activity of CD73 converts extracellular nucleoside5'monophosphates to nucleosides, with AMP as the preferred substrate. CD73 is one of several enzymes responsible for the production of extracellular adenosine, a signaling molecule that is involved in responses to inflammation and tissue injury. CD73 is a lymphocyte maturation marker that has functions independent of its catalytic activity. These functions include the adhesion of B-cells to follicular dendritic cells and T-cell signaling. CD73 is also a regulator of leukocyte extravasation, a function that requires its 5'-Nucleotidase activity. The native enzyme is a homodimer bound to the cell membrane through a glycosyl phophatidylinositol (GPI) anchor.
Specifications
|
Synonyms |
CD73; NT5E; NTE; 5' nucleotidase (CD73); 5'-NT; 5-NT; E5NT; EC 3.1.3.5; eN; eNT; NT; NT55'-nucleotidase; NT5; NTE; CALJA |
|
Uniprot No. |
P2158.1 |
|
Source |
Recombinant Human CD73/NT5E Protein is expressed from HEK293 Cells with hFC tag at the C-terminal. It contains Trp27-Lys547. |
|
Molecular Weight |
Approximately 84.5 kDa. Due to glycosylation, the protein migrates to 85-100 kDa based on Tris-Bis PAGE result. |
|
Purity |
> 95% as determined by SDS-PAGE and HPLC. |
|
Activity |
ELISA Data: Immobilized Human CD73, hFc Tag at 1μg/ml (100μl/well) on the plate. Dose response curve for Biotinylated Anti-CD73 Antibody, hFc Tag with the EC50 of 19.7ng/ml determined by ELISA. |
|
Endotoxin |
< 1.0 EU per 1μg of the protein by the LAL method. |
|
Formulation |
Lyophilized from 0.22μm filtered solution in 20mM Tris, 120mM NaCl (pH 7.5). Normally 8% trehalose is added as protectant before lyophilization. |
|
Reconstitution |
Centrifuge tubes before opening. Reconstituting to a concentration more than 100 μg/mL is recommended (usually we use 1 mg/mL solution for lyophilization). Dissolve the lyophilized protein in distilled water. |
Storage
Transported with ice packs. Store at -20℃ to -80℃, valid for one year.
After reconstitution, store unopened at -20 to -80°C for 3 to 6 months. After reconstitution, store at 2 to 8°C for 2 to 7 days.
It is recommended to store in aliquots and freeze for the first use to avoid repeated freezing and thawing.
Note
1. Avoid repeated freezing and thawing.
2. For your safety and health, please wear lab coat and disposable gloves when operating.
3. This product is for scientific research purposes only.
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