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40589-V08H4

Scientist.com Supplier

SARS-CoV-2 (2019-nCoV) Spike S1+S2 ECD (R683A, R685A, F817P, A892P, A899P, A942P, K986P, V987P)-His Recombinant Protein (HPLC-verified)

Sino Biological

DESCRIPTION

A DNA sequence encoding the SARS-CoV-2 (2019-nCoV) Spike Protein (S1+S2 ECD) (YP_009724390.1) (Met1-Pro1213(R683A, R685A, F817P, A892P, A899P, A942P, K986P, V987P)) was expressed with the bacteriophage T4 fibritin and a polyhistidine tag at the C-terminus.

DETAILS

  • Tag: C-His
  • Purity: > 90 % as determined by SDS-PAGE. > 90 % as determined by SEC-HPLC.
  • Source: HEK293 Cells
  • Species: SARS-CoV-2
  • Storage: Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
  • Activity: Measured by its binding ability in a functional ELISA. Immobilized ACE2 Protein, Human, Recombinant (mFc Tag)(10108-H05H) at 2 μg/mL (100 μL/well) can bind SARS-CoV-2 (2019-nCoV) Spike S1+S2 ECD (R683A, R685A, F817P, A892P, A899P, A942P, K986P, V987P)-His Recombinant Protein (40589-V08H4), the EC50 of SARS-CoV-2 (2019-nCoV) Spike S1+S2 ECD (R683A, R685A, F817P, A892P, A899P, A942P, K986P, V987P)-His Recombinant Protein (40589-V08H4) is 10-50 ng/mL.
  • Category: Proteins
  • Molecule: Spike
  • Endotoxin: < 1.0 EU per μg protein as determined by the LAL method.
  • Lead Time: 1-3 days
  • Formulation: Lyophilized from a sodium citrate buffer system at pH 6.0.
  • Molecular Mass: The recombinant SARS-CoV-2 (2019-nCoV) Spike Protein (S1+S2 ECD(R683A, R685A, F817P, A892P, A899P, A942P, K986P, V987P), His tag) consists of 1248 amino acids and predicts a molecular mass of 138.5 kDa.
  • Reconstitution: A hardcopy of datasheet with reconstitution instructions is sent along with the products. Please refer to it for detailed information.
  • Accession Number: YP_009724390.1
  • Predicted N Terminal: Val 16