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Catalog Products » Recombinant Proteins » Virus Antigens » SARS-CoV-2 Spike protein (ECD, His & Flag Tag)

SARS-CoV-2 Spike protein (ECD, His & Flag Tag)

SARS-CoV-2 Spike Protein (ECD, His & Flag Tag)

Immobilized ACE-2 Fc Chimera, Human (Cat. No. Z03484) at 2 μg/mL can bind SARS-CoV-2 Spike protein (ECD, His & Flag Tag) (Cat. No. Z03481) with a serial dilution.
THETM His Tag Antibody [HRP], mAb, Mouse(Cat.No.A00612) is used as a secondary antibody (0.1 μg/mL).

SARS-CoV-2 Spike Protein (ECD, His & Flag Tag)

Lane 1: 1μg of SARS-CoV-2 Spike protein (ECD, His & Flag Tag), reducing(R)
> 95% as analyzed by SDS-PAGE

Species SARS-CoV-2
Protein Construction

Spike ECD (Val16-Pro1213)
Accession # P0DTC2
Poly-His Flag
N-term C-term
Purity > 90% as analyzed by SDS-PAGE
Endotoxin Level < 0.2 EU/μg of protein by gel clotting method
Biological Activity SARS-CoV-2 Spike protein (ECD) can bind with Human ACE2 in functional ELISA assay.
Expression System Sf9 insect cells
Theoretical Molecular Weight 135 kDa
Formulation Supplied as a solution in PBS pH 7.2 containing 10% glycerol.
Concentration Please refer to the COA for the specific lot.
Storage & Stability Upon receiving, this product remains stable for up to 6 months at -20°C or below. Avoid repeated freeze-thaw cycles.

  • SARS-CoV-2 Spike Protein (ECD, His & Flag Tag)
  • SARS-CoV-2 Spike Protein (ECD, His & Flag Tag)

    Immobilized ACE-2 Fc Chimera, Human (Cat. No. Z03484) at 2 μg/mL can bind SARS-CoV-2 Spike protein (ECD, His & Flag Tag) (Cat. No. Z03481) with a serial dilution.
    THETM His Tag Antibody [HRP], mAb, Mouse(Cat.No.A00612) is used as a secondary antibody (0.1 μg/mL).

  • SARS-CoV-2 Spike Protein (ECD, His & Flag Tag)
  • SARS-CoV-2 Spike Protein (ECD, His & Flag Tag)

    Lane 1: 1μg of SARS-CoV-2 Spike protein (ECD, His & Flag Tag), reducing(R)
    > 95% as analyzed by SDS-PAGE


Target Background SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus 2) also known as 2019-nCoV (2019 Novel Coronavirus) is a virus that causes illnesses ranging from the common cold to severe diseases. SARS-CoV-2 Spike Protein is composed of S1 domain and S2 domain. S1 contains a receptor-binding domain (RBD) that can specifically bind to angiotensin-converting enzyme 2 (ACE2), the receptor on target cells. ECD is the extra cellular domain of spike protein.
Synonyms S protein; S-ECD; ECD protein; ECD; 2019-nCoV ECD

For laboratory research use only. Direct human use, including taking orally and injection and clinical use are forbidden.






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Cat. No. Z03481
Size Price
100 μg $380.00
1 mg $2100.00