Source : |
HEK293 |
Species : |
COVID-19 |
Tag : |
His |
Form : |
Supplied as 0.2 μm filtered solution in PBS. |
Bio-activity : |
Immobilized SARS-CoV-2 Spike Trimer, His Tag (BA.3/Omicron) at 1 μg/mL (100 μL/well) can bind Human ACE2, Fc Tag with a linear range of 2-31 ng/mL.Immobilized SARS-CoV-2 Spike Trimer, His Tag (BA.3/Omicron) at 1 μg/mL (100 μL/well) can bind Anti-SARS-CoV-2 Spike RBD Antibody, Chimeric mAb, Human IgG1 with a linear range of 0.001-0.013 μg/mL. |
Molecular Mass : |
This protein carries a polyhistidine tag at the C-terminusThe protein has a calculated MW of 137.8 kDa. The protein migrates as 160-200 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation. |
Endotoxin : |
Less than 1.0 EU per μg by the LAL method. |
Purity : |
>95% as determined by SDS-PAGE. >90% as determined by SEC-MALS. |
Storage : |
Please avoid repeated freeze-thaw cycles. This product is stable after at: The product MUST be stored at -70°C or lower upon receipt; -70°C for 3 months under sterile conditions. |
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. |