Biological Activity: Measured by its binding ability in a functional ELISA.Immobilized Recombinant Human ACE2 at 2 g/mL (100L/well ) can bind Recombinant nCoV-S1, The EC50 of nCoV-S1 is 0.25-0.45 µg/mL. Application Notes: This recombinant protein can be used for WB, ELISA. For research use only
Immobilized recombinant SARS-CoV-2 (COVID-19) Spike S1 at 2µg/mL (100 µL/well) can bind recombinant human ACE2 with a linear range of 0.5-8.7 ng/mL.
The purity of SARS-CoV-2 (COVID-19) Spike S1 recombinant protein was greater than 95% as determined by SEC-HPLC.
SARS-CoV-2 (COVID-19) spike S1 recombinant protein on Tris-Bis PAGE under reduced condition. The purity is greater than 90%.
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