Creative BioMart to Present at
                        BIO-Europe Spring Creative BioMart to Present at AACR Annual Meeting|Apr. 5-10, 2024|Booth #2953

Active Recombinant COVID-19 Omicron S-ECD protein, His-tagged

Cat.No. : Spike-680V
Product Overview : Recombinant COVID-19 Omicron S-ECD (S1+S2, YP_009724390.1) (Met1-Pro1213) (A67V, Δ69-70, T95I, G142D/Δ143-145, Δ211/L212I, ins214EPE, G339D, S371L, S373P, S375F, K417N, N440K, G446S, S477N, T478K, E484A, Q493R, G496S, Q498R, N501Y, Y505H, T547K, D614G, H655Y, N679K, P681H, N764K, D796Y, N856K, Q954H, N969K, L981F) protein, fused to C-terminal His tag, was expressed in HEK293.
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Source : HEK293
Species : COVID-19
Tag : His
Form : Lyophilized from sterile 25mM sodium citrate,200mM NaCl, 0.02% tween80, pH6.0.
Bio-activity : Immobilized human ACE2 protein (mFc tag) at 2 μg/mL (100 μL/well) can bind SARS-CoV-2 B.1.1.529 (Omicron) S1+S2 trimer Protein (ECD, His Tag), the EC50 is 4-15 ng/mL.
Molecular Mass : The recombinant SARS-CoV-2 Spike S1+S2 consists of 1228 amino acids and predicts a molecular mass of 136.67 kDa.
Protein Length : Met1-Pro1213
Endotoxin : < 1.0 EU per μg of the protein as determined by the LAL method
Purity : > 90 % as determined by SDS-PAGE. > 95 % as determined by SEC-HPLC.
Storage : Samples are stable for up to twelve months from date of receipt at -20°C to -80°C
Store it under sterile conditions at -20°C to -80°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution : It is recommended that sterile water be added to the vial to prepare a stock solution of 0.2 ug/ul. Centrifuge the vial at 4°C before opening to recover the entire contents.

For Research Use Only. Not intended for any clinical use. No products from Creative BioMart may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative BioMart.

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