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SPN-M52H5-50ug SPN-M52H5-500ug

MERS Spike protein trimer (R748A, R751A, V1060P, L1061P), His Tag (MALS verified)



MERS Spike protein trimer (R748A, R751A, V1060P, L1061P), His Tag (SPN-M52H5) is expressed from human 293 cells (HEK293). It contains AA Tyr 18 - Trp 1295 (Accession # K0BRG7 (R748A, R751A, V1060P, L1061P)). The recombinant protein has a T4 fibritin trimerization motif. Proline substitutions (V1060P, L1061P) and alanine substitutions (R748A, R751A) are introduced to stabilize the trimeric prefusion state of MERS-CoV Spike protein and abolish the furin cleavage site, respectively.


  • Tag: C-10×His
  • Host: HEK293
  • Size: 500ug
  • Buffer: PBS
  • Format: Powder
  • Purity: 90%
  • Storage: -20℃
  • Category: Viral Proteins
  • Molecule: Spike protein
  • Conjugate: Unconjugated
  • Stability: ● -20°C to -70°C for 12 months in lyophilized state; ● -70°C for 3 months under sterile conditions after reconstitution. For long term storage, the product should be stored at lyophilized state at -20°C or lower.
  • Background: It's been reported that SARS-CoV-2 can infect the human respiratory epithelial cells through interaction with the human ACE2 receptor. The spike protein is a large type I transmembrane protein containing two subunits, S1 and S2. S1 mainly contains a receptor binding domain (RBD), which is responsible for recognizing the cell surface receptor. S2 contains basic elements needed for the membrane fusion.The S protein plays key parts in the induction of neutralizing-antibody and T-cell responses, as well as protective immunity.
  • Exp Region: Tyr 18 - Trp 1295
  • Swiss-prot: K0BRG7 (R748A, R751A, V1060P, L1061P)
  • Characteristics: This protein carries a polyhistidine tag at the C-terminus. The protein has a calculated MW of 145.9 kDa. The protein migrates as 150 kDa and 175-200 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
  • Endotoxin Level: 1.0 EU per μg
  • Molecular Weight: 145.9 kDa
  • Shipping Condition: RT
  • Species Reactivity: MERS
  • Extra Shippinghandling Fee: Please see 'Shipping-and-Payments' sheet. Website: