Recombinant EBOV GP Protein, CF

Zaire ebolavirus Glycoprotein
Catalog # Availability Size / Price Qty
9016-EB-100
R&D Systems Recombinant Proteins and Enzymes
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Citations (3)
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Recombinant EBOV GP Protein, CF Summary

Product Specifications

Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its binding ability in a functional ELISA. When Recombinant Viral EBOV GP is immobilized at 2 µg/mL (100 µL/well), the concentration of Recombinant Human CLEC10A/CD301 (Catalog # 4888-CL) that produces 50% of the optimal binding response is approximately 20-100 ng/mL.
Source
Chinese Hamster Ovary cell line, CHO-derived viral EBOV GP protein
Z. ebolavirus GP1
(Ile33-Arg501)
Accession # Q05320

Z. ebolavirus GP2
(Glu502-Gln650)
Accession # Q05320
HHHHHH
N-terminusC-terminus
Accession #
N-terminal Sequence
Analysis
Ile33 (GP1) & Glu502 (GP2)
Structure / Form
Disulfide-linked heterodimer
Predicted Molecular Mass
69 kDa
SDS-PAGE
17-24 kDa and 105-120 kDa, reducing conditions

Product Datasheets

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9016-EB

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

9016-EB

Formulation Lyophilized from a 0.2 μm filtered solution in Tris and NaCl.
Reconstitution Reconstitute at 500 μg/mL in water.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Reconstitution Calculator

Reconstitution Calculator

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Background: EBOV GP

The GP glycoprotein encoded by the genome of Ebola family viruses is a critical molecule for the pathogenicity of Ebolavirus hemorrhagic viruses (1, 2). It is processed into distinct forms for virus capsule or cell surface presentation or release from virus infected cells. The GP precursor protein is cleaved by furin at a multibasic site to yield a 140 kDa N-terminal fragment (GP1) and a 26 kDa C-terminal fragment (GP2) which remain disulfide linked (3). GP1 is entirely extracellular while GP2 is a transmembrane protein (4). Heterodimers of GP1-GP2 can further associate into trimers (5). GP expressed on virus infected cells can be shed by TACE mediated cleavage, liberating a disulfide linked complex of soluble GP1 and truncated GP2 (4-6). GP binds to multiple C-type lectins on target cell surfaces, including CLEC10A/MGL, DC-SIGN, and DC-SIGNR (7-9). Following internalization, GP1 is cleaved by Cathepsin B and Cathepsin L and then interacts with Niemann-Pick C1 (NPC1) in the endosomal membrane (10-12).

References
  1. Yang, Z.-Y. et al. (2000) Nat. Med. 6:886.
  2. de La Vega, M.-A. et al. (2015) Viral Immunol. 28:3.
  3. Volchkov, V.E. et al. (1998) Proc. Natl. Acad. Sci. USA 95:5762.
  4. Volchkov, V.E. et al. (1998) Virology 245:110.
  5. Sanchez, A. et al. (1998) J. Virol. 72:6442.
  6. Dolnik, O. et al. (2004) EMBO J. 23:2175.
  7. Takada, A. et al. (2004) J. Virol. 78:2943.
  8. Alvarez, C.P. et al. (2002) J. Virol. 76:6841.
  9. Simmons, G. et al. (2003) Virology 305:115.
  10. Schornberg, K. et al. (2006) J. Virol. 80:4174.
  11. Chandran, K. et al. (2005) Science 308:1643.
  12. Cote, M. et al. (2011) Nature 477:344.
Long Name
Ebola Virus Glycoprotein
Entrez Gene IDs
911829 (Viral)
Alternate Names
bovGP; EBOV GP; second secreted glycoprotein; small secreted glycoprotein; Spike glycoprotein

Citations for Recombinant EBOV GP Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

3 Citations: Showing 1 - 3
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  1. Systems approach to define humoral correlates of immunity to Shigella
    Authors: B Bernshtein, E Ndungo, D Cizmeci, P Xu, P Ková?, M Kelly, D Islam, ET Ryan, KL Kotloff, MF Pasetti, G Alter
    Cell Reports, 2022-08-16;40(7):111216.
    Species: Human
    Sample Types: Whole Cells
    Applications: ELISA Control
  2. Robust IgM responses following intravenous vaccination with Bacille Calmette-Gu�rin associate with prevention of Mycobacterium tuberculosis infection in macaques
    Authors: EB Irvine, A O'Neil, PA Darrah, S Shin, A Choudhary, W Li, W Honnen, S Mehra, D Kaushal, HP Gideon, JL Flynn, M Roederer, RA Seder, A Pinter, S Fortune, G Alter
    Nature Immunology, 2021-11-22;0(0):.
    Species: Rhesus Macaque
    Sample Types: In Vivo
    Applications: In Vivo Control
  3. Serology and Behavioral Perspectives on Ebola Virus Disease Among Bushmeat Vendors in Equateur, Democratic Republic of the Congo, After the 2018 Outbreak
    Authors: A Lucas, C Kumakamba, CE Lange, E Obel, G Miningue, J Likofata, A Gillis, M LeBreton, DJ McIver, J Euren, C Kreuder Jo, T Goldstein, JJ Muyembe-Ta, K Saylors
    Open Forum Infect Dis, 2020-07-17;7(8):ofaa295.
    Species: Human
    Sample Types: Serum
    Applications: ELISA Capture

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