Recombinant Human CD155/PVR His-tag Avi-tag Protein, CF

R&D Systems | Catalog # AVI2530

Biotinylated
R&D Systems
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Key Product Details

  • R&D Systems HEK293-derived Recombinant Human CD155/PVR His-tag Avi-tag Protein (AVI2530)
  • Quality control testing to verify active proteins with lot specific assays by in-house scientists
  • All R&D Systems proteins are covered with a 100% guarantee

Source

HEK293

Accession Number

NP_006496.4

Structure / Form

Biotinylated via Avi-tag

Conjugate

Biotin

Applications

Bioactivity
View all CD155/PVR Proteins and Enzymes »

Why choose R&D Systems Avi-tag CD155 Protein?

  • Guaranteed Bioactivity and High Purity: Bioactivity tested by functional ELISA and purity determined by SDS-PAGE to be greater than 95%.
  • Lot-to-Lot Consistency: Stringent QC testing performed on each lot to ensure consistent activity and purity.
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  • Most Respected, Most Cited Brand in Proteins: With over 35 years of providing the best recombinant proteins to the scientific community, R&D Systems continues to lead the industry in quality, activity, and purity.

Find the Fc Chimera Avi-tag CD155 protein here Fc Chimera Avi-tag CD155 Protein

Learn more about Avi-tag Biotinylated Proteins

Product Specifications

Source

Human embryonic kidney cell, HEK293-derived human CD155/PVR protein
Human CD155/PVR
(Gly27-Asn343)
Accession # NP_006496.4		 HHHHHH  Avi-tag
N-terminus C-terminus

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.

Predicted Molecular Mass

37 kDa

SDS-PAGE

59-67 kDa, under reducing conditions

Activity

The biotin to protein ratio is greater than 0.7 as determined by the HABA assay.

Measured by its binding ability in a functional ELISA.
When 1 μg/mL of Biotinylated Recombinant Human CD155/PVR His-tag Avi-tag protein (Catalog # AVI2530)  is immobilized onto Streptavidin coated plate (Catalog # CP004), the concentration of Recombinant Human TIGIT Fc Chimera (Catalog # 7898-TGB) that produces 50% of the optimal binding response is 0.5-3 ng/mL.

Scientific Data Images for Recombinant Human CD155/PVR His-tag Avi-tag Protein, CF

Recombinant Human CD155/PVR His-tag Avi-tag Protein Binding Activity

Recombinant Human CD155/PVR His-tag Avi-tag Protein Binding Activity

When 1 µg/mL of Biotinylated Recombinant Human CD155/PVR His-tag Avi-tag Protein (Catalog # AVI2530) is immobilized onto Streptavidin coated plate (Catalog # CP004) the concentration of Recombinant Human TIGIT Fc Chimera (Catalog # 7898-TGB) binds with an ED50 of 0.5-3 ng/mL.
Recombinant Human CD155/PVR His-tag Avi-tag Protein SDS-PAGE

Recombinant Human CD155/PVR His-tag Avi-tag Protein SDS-PAGE

2 μg/lane of Recombinant Human CD155/PVR Hig-tag Avi-tag (Catalog # AVI2530) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 59-67 kDa.

Formulation, Preparation, and Storage

AVI2530
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute at 500 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. 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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: CD155/PVR

CD155, also known as PVR (poliovirus receptor), Necl-5 (nectin-like molecule-5) and, in rodents, TAGE4 (tumor-associated glycoprotein E4), is a 70-kDa type I transmembrane glycoprotein in the nectin-related family of adhesion proteins within the immunoglobulin superfamily (1, 2). CD155 binds other molecules including Vitronectin, Nectin-3, DNAM-1/CD226, CD96, and TIGIT but does not bind homotypically (3). Mature human CD155 consists of a 323 amino acid (aa) extracellular domain (ECD) with one N-terminal V-type and two C2-type Ig-like domains, a 24 aa transmembrane segment, and a 50 aa cytoplasmic tail. Within the ECD, human CD155 shares 45% aa sequence identity with mouse and rat CD155, and 52% with human Nectin-2. The V-type domain of CD155 mediates all binding, including to polio virus (1), and alternative splicing within this domain in humans can modulate ligand binding (4). Human CD155 can also be spliced to generate secreted isoforms (5). CD155 is up-regulated on endothelial cells by IFN-gamma and is highly expressed on immature thymocytes, lymph node dendritic cells, and tumor cells of epithelial and neuronal origin (1, 2, 6-9). It is preferentially expressed on Th17 cells compared to Th2 cells (10), and its activation promotes the development of Th1 responses (11). On migrating cells, CD155 is concentrated at the leading edge, where it binds basement membrane Vitronectin, recruits Nectin-3-expressing cells, and cooperates with PDGF and Integrin alpha v beta 3 to promote cell migration (1, 3, 12). Enhanced CD155 expression in tumor cells contributes to loss of contact inhibition and increased migration but also allows tumor cell recognition and killing by DNAM-1 or CD96 expressing NK cells (1, 7, 13). Binding of monocyte DNAM-1 to endothelial cell CD155 promotes transendothelial migration (8). The expression of CD155 on mouse CD8+ thymocytes prevents their premature exit from the thymus (14). Within intestinal Peyer's patches, follicular dendritic cell CD155 activates follicular helper T cells via DNAM-1 or CD96 binding (7-9, 15). CD155 also binds the inhibitory ligand TIGIT on NK and some mature T cells, antagonizing DNAM-1 effects (7, 15, 16).

References

  1. Mandai, K. et al. (2015) Curr. Top. Dev. Biol. 112:197.
  2. Mendelsohn, C.L. et al. (1989) Cell 56:855.
  3. Sato, T. et al. (2004) Genes to Cells 9:791.
  4. Meyer, D. et al. (2009) J. Biol. Chem. 284:2235.
  5. Koike, S. et al. (1990) EMBO J. 9:3217.
  6. Escalante, N.K. et al. (2011) Arterioscler. Thromb. Vasc. Biol. 31:1177.
  7. Xu, Z. and B. Jin (2010) Cell. Mol. Immunol. 7:11.
  8. Reymond, N. et al. (2004) J. Exp. Med. 199:1331.
  9. Maier, M.K. et al. (2007) Eur. J. Immunol. 37 :2214.
  10. Lozano, E. et al. (2013) J. Immunol. 191:3673.
  11. Yamashita-Kanemaru, Y. et al. (2015) J. Immunol. 194:5644.
  12. Mueller, S. and E. Wimmer (2003) J. Biol. Chem. 278:31251.
  13. Chan, C.J. et al. (2010) J. Immunol. 184:902.
  14. Qui, Q. et al. (2010) J. Immunol. 184:1681.
  15. Seth, S. et al. (2009) Eur. J. Immunol. 39:3160.
  16. Stanietsky, N. et al. (2009) Proc. Natl. Acad. Sci. USA 106:17858.

Long Name

Poliovirus Receptor

Alternate Names

CD155, HVED, Necl-5, PVR, PVS

Entrez Gene IDs

5817 (Human); 52118 (Mouse); 25066 (Rat); 102136444 (Cynomolgus Monkey); 712851 (Rhesus Macaque)

Gene Symbol

PVR

UniProt

NP_006496.4

Additional CD155/PVR Products

Product Documents for Recombinant Human CD155/PVR His-tag Avi-tag Protein, CF

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Product Specific Notices for Recombinant Human CD155/PVR His-tag Avi-tag Protein, CF

For research use only

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