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You are here:Home » Molecular Biology » MB-Enzymes, Nucleotidase » 5'-Nucleotidase, Recombinant, Mouse (CD73, Ecto-5'nucleotidase, 5-NT)

5'-Nucleotidase, Recombinant, Mouse (CD73, Ecto-5'nucleotidase, 5-NT)

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Specifications

CD73 (Ecto-5'nucleotidase, 5 '-NT) is a membrane-bound glycoprotein that functions to hydrolyze extracellular nucleoside monophosphates into bioactive nucleoside intermediates. This enables the uptake of adenosine, inosine, and guanosine into the cell and their subsequent reconversion into ATP and GTP in the purine salvage pathway. The expression of CD73 on neuronal cells has been described during developmental processes and, on lymphocytes, CD73 serves as a maturation marker, being absent from the surface of both immature B and T cells.
Catalog #N7100-71
Recombinant mouse 5-Nucleotidase/CD73 ectodomain (rmCD73) encoded by the NT5E gene was expressed with a C-terminal 6X His tag in a Chinese Hamster Ovary cell line. CD73, an ecto-5-nucleotidase, is an ectoenzyme that is attached to the cell membrane by a glycosyl phophatidylinositol anchor (1, 2). The enzyme is expressed by most cell types. The 5-nucleotidase activity of CD73 converts extracellular nucleoside-5-monophosphates to nucleosides. 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 (3).
The purified, secreted rmCD73 has a N-terminal sequence of W29ELTILHTND. The 527 amino acid rmCD73 predicts a molecular mass of 59kD and migrates as a 70kD band in SDS-PAGE under reducing conditions.
Biological ActivityMeasured by its ability to hydrolyze the 5-phosphate group from the substrate adenosine-5-monophosphate (AMP). The orthophosphate product is measured by a Malachite Green Phosphate Detection Kit.
Specific activity ~10,000 pmoles/min/ug.
Storage and Stability
May be stored at 4°C for short-term only. For long-term storage, aliquot and store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
SourceCHO-derived recombinant mouse 5-Nucleotidase/CD73.
Purity90%, as determined by SDS-PAGE under reducing conditions and visualized by silver stain. Endotoxin: ~10Eu/mg
Concentration~0.5mg/ml
FormSupplied as a liquid in 20mM Tris, 0.12M sodium chloride, 4mM CaCl2, 20% glycerol, pH 7.5.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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