CD73 Protein, Human, Recombinant (His Tag): Product Information
> 85 % as determined by SDS-PAGE
< 1.0 EU per μg of the protein as determined by the LAL method
1. Using the Octet RED System, the affinity constant (Kd) of CD73 Protein, Human, Recombinant (His Tag) (Cat. 10904-H08H) bound MEDI9447 was 28 nM. 2. Measured by its ability to hydrolyze the 5’phosphate group from the substrate adenosine 5’monophosphate (AMP). The specific activity is > 15,000 pmoles/min/μg.
A DNA sequence encoding the human NT5E (NP_002517.1) (Met1-Lys547) was expressed fused with a polyhistidine tag at the C-terminus.
The secreted recombinant human NT5E consists of 532 amino acids with the predicted molecular mass of 59.2 kDa.
Lyophilized from sterile 20mM Tris, 120 mM NaCl, 4 mM CaCl2, 20 % glycerol, pH 7.5. Please contact us for any concerns or special requirements. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the hard copy of CoA.
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.
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
CALJA Protein, Human; CD73 Protein, Human; E5NT Protein, Human; eN Protein, Human; eNT Protein, Human; NT Protein, Human; NT5 Protein, Human; NTE Protein, Human
CD73 Background Information
5'-nucleotidase, also known as NT5E, NTE, and CD73, is a cell membrane protein which belongs to the5'-nucleotidase family. CD73 is a glycosyl phosphatidylinositol (GPI) anchored purine salvage enzyme expressed on the surface of human T and B lymphocytes. CD73 catalyzes the conversion of purine and pyrimidine ribo- and deoxyribonucleoside monophosphates to the corresponding nucleosides. CD73 serves as a costimulatory molecule in activating T cells. CD73 generated adenosine functions in cell signalling in many physiologic systems, including intestinal epithelium, ischemic myocardium, and cholinergic synapses. CD73 might mediate lymphocyte-stromal cell interactions or condition the local microenvironment to facilitate lymphocyte development and/or function. In CD73-depleted cells, surface levels of the leukocyte adhesion molecules ICAM-1, VCAM-1 and E-selectin increase. CD73 produces extracellular adenosine, which then acts on G protein-coupled purigenic receptors to induce cellular responses. CD73 has also been reported to regulate expression of pro-inflammatory molecules in mouse endothelium.
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