This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 59.9 kDa. The protein migrates as 30 kDa, 40 kDa and 65 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>85% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in 20 mM Tris, 120 mM NaCl, 4 mM CaCl2, pH7.5. Normally trehalose is added as protectant before lyophilization.
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Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
No activity loss was observed after storage at:
Human CD73, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 85%.
Measured by its ability to hydrolyze the 5’-phosphate group from the substrate adenosine-5’-monophosphate (AMP). The specific activity is > 15,000 pmol/min/μg.
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