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HRSV (A) Post-fusion glycoprotein F0, His Tag (MALS verified)

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  • Source
    HRSV (A) Fusion glycoprotein F0, His Tag (RSF-V52H6) is expressed from human 293 cells (HEK293).
    Predicted N-terminus: Gln 26
  • Molecular Characterization

    This protein carries a polyhistidine tag at the C-terminus.

    The protein has a calculated MW of 55.2 kDa. The protein migrates as 47-50 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.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in 0.1 M Sodium citrate, 150 mM NaCl, pH5.5 with trehalose as protectant.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    After reconstitution, this product is stable after storage at -70°C for 3 months.

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. For long term storage, the product is stable for up to 3 years at -70°C from date of receipt;
    2. For short term storage, the product is stable for up to 12 months at 2-8°C from date of receipt.
SDS-PAGE
Postfusion glycoprotein F0/post-F protein (RSV) SDS-PAGE

HRSV (A) Post-fusion glycoprotein F0, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

SEC-MALS
Postfusion glycoprotein F0/post-F protein (RSV) MALS images

The purity of HRSV (A) Post-fusion glycoprotein F0, His Tag (Cat. No. RSF-V52H6) is more than 90% and the molecular weight of this protein is around 165-185 kDa verified by SEC-MALS.

Bioactivity-ELISA
 Postfusion glycoprotein F0/post-F protein (RSV) ELISA

Immobilized HRSV (A) Post-fusion glycoprotein F0, His Tag (Cat. No. RSF-V52H6) and HRSV (A) Pre-fusion glycoprotein F0, His Tag (Cat. No. RSF-V52H7) at 1 μg/mL (100 μL/well) can bind Anti-Fusion glycoprotein F0 Antibody, Mouse IgG2a (101F) with a linear range of 0.1-4 ng/mL (QC tested).

 Postfusion glycoprotein F0/post-F protein (RSV) ELISA

Immobilized HRSV (A) Pre-fusion glycoprotein F0, His Tag (Cat. No. RSF-V52H7) at 1 μg/mL (100 μL/well) can bind Recombinant Human Anti-RSV Antibody (AM14) with a linear range of 0.004-0.25 μg/mL. HRSV (A) Post-fusion glycoprotein F0, His Tag (Cat. No. RSF-V52H6) is verified not recoginized by Recombinant Human Anti-RSV Antibody (AM14) (Routinely tested).

 Postfusion glycoprotein F0/post-F protein (RSV) ELISA

Immobilized HRSV (A) Pre-fusion glycoprotein F0, His Tag (Cat. No. RSF-V52H7) at 1 μg/mL (100 μL/well) can bind Recombinant Human Anti-RSV Antibody (D25) with a linear range of 0.1-2 ng/mL. HRSV (A) Post-fusion glycoprotein F0, His Tag (Cat. No. RSF-V52H6) is verified not recoginized by Recombinant Human Anti-RSV Antibody (D25) in low concentration (Routinely tested).

 Postfusion glycoprotein F0/post-F protein (RSV) ELISA

Immobilized HRSV (A) Pre-fusion glycoprotein F0, His Tag (Cat. No. RSF-V52H7) at 1 μg/mL (100 μL/well) can bind Recombinant Mouse Anti-RSV F Antibody (5C4) with a linear range of 0.004-0.25 μg/mL. HRSV (A) Post-fusion glycoprotein F0, His Tag (Cat. No. RSF-V52H6) is verified not recoginized by Recombinant Mouse Anti-RSV F Antibody (5C4) (Routinely tested).

 Postfusion glycoprotein F0/post-F protein (RSV) ELISA

Immobilized HRSV (A) Post-fusion glycoprotein F0, His Tag (Cat. No. RSF-V52H6) and HRSV (A) Pre-fusion glycoprotein F0, His Tag (Cat. No. RSF-V52H7) at 1 μg/mL (100 μL/well) can bind Anti-RSV Fusion Protein Antibody (131-2A) with a linear range of 0.1-1 ng/mL (Routinely tested).

 Postfusion glycoprotein F0/post-F protein (RSV) ELISA

Immobilized HRSV (A) Post-fusion glycoprotein F0, His Tag (MALS verified) (Cat. No. RSF-V52H6) at 2 μg/mL (100 μL/well) can bind Monoclonal Anti-RSV-F0 broadly Antibody, Mouse IgG1 (3B4) with a linear range of 0.144-9.197 ng/mL (Routinely tested).

 Postfusion glycoprotein F0/post-F protein (RSV) ELISA

Immobilized HRSV (A) Post-fusion glycoprotein F0, His Tag (MALS verified) (Cat. No. RSF-V52H6) at 2 μg/mL (100 μL/well) can bind Monoclonal Anti-RSV-F0 broadly Antibody, Mouse IgG1 (4G2) with a linear range of 0.049-1.563 ng/mL (Routinely tested).

  • Background
    Human respiratory syncytial virus (HRSV) is the most common etiological agent of acute lower respiratory tract disease in infants and can cause repeated infections throughout life. The RSV fusion glycoprotein (RSV F) is the principal target of RSV neutralizing antibodies in human sera. The RSV F is a type I viral fusion protein synthesized as inactive, single-chain polypeptides that assemble into trimers. RSV F fuses the viral and host cell membranes by irreversible protein refolding from the labile prefusion conformation to the stable post-fusion conformation. Both states exhibit epitopes targeted by neutralizing antibodies, and post-fusion RSV F is being developed as a vaccine candidate.
  • Clinical and Translational Updates

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