This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 41.7 kDa. The protein migrates as 45-50 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 MES, 100 mM NaCl, pH6.5. Normally trehalose is added as protectant before lyophilization.
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:
Human Carbonic Anhydrase IX (38-414), 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 95%.
The specific activity is >200 pmol/min/μg, as measured with 4-Nitrophenyl acetate (Routinely tested).
One unit is defined as the amount of enzyme that hydrolyze 1.0 p mole of 4-Nitrophenyl acetate to 4-Nitrophenol per minute at pH7.5 at Room temperature
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
High quality SARS-CoV-2 S protein, S1 protein and human ACE2 protein based on the human cell expression platform of HEK293.
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