Based on the high binding affinity between biotin-streptavidin systems, our Streptavidin series products are recommended to use together with biotinylated proteins to get lower non-specific binding results in a shorter time.
This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag™)
The protein has a calculated MW of 53.9 kDa. The protein migrates as 65-80 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in 20 mM Tris,150 mM NaCl,pH8.0 with trehalose as protectant.
Contact us for customized product form or formulation.
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.
This product is stable after storage at:
Biotinylated Human CD39 (R138A, M139A, E142K) Protein, His,Avitag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
Immobilized Biotinylated Human CD39 (R138A, M139A, E142K) Protein, His,Avitag (Cat. No. CD9-H82E8) at 1 μg/mL (100 μL/well)on streptavidin precoated (Cat. No. STN-N5116) (0.5 μg/well) plate can bind Anti-CD39 Antibody, Human IgG1 with a linear range of 0.1-4 ng/mL (QC tested).
Measured by its ability to hydrolyze the 5’-phosphate group from the substrate adenosine-5’-triphosphate (ATP). The specific activity is > 8000 pmol/min/μg (QC tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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