Product No.：

E-007

Product name：

Recombinant SARS-CoV-2 spike protein

 (S1 subunit, 10 x his tag)

Expression host:

HEK293 cells

Purity

>90% as determined by SDS-PAGE

Figure 1. Purity of S1 (The protein size is larger than expected because of glycosylation)

Biological activity

EC50 = 3.8 nM

Form

The product is supplied as lyophilized powder from sterile PBS, pH 7.4，

5% mannitol，0.01% tween80

Reconstitution 

Add deionized water to reconstruct the protein to 1 mg/mL.

Stability and Storage

該粉末可在4°C下儲存長達12個月。重建后，在-20°C至-80°C無菌條件下保存12個月。建議對蛋白質進行校正，以達到*的貯藏效果。避免重復的凍融循環。