Recombinant Human CD155/PVR His-tag Alexa Fluor® 488 Protein

R&D Systems, part of Bio-Techne | Catalog # AFG2530

R&D Systems, part of Bio-Techne
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AFG2530-020
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Key Product Details

Learn more about FluorokinesTM Fluorescent-Labeled Proteins

Source

NS0

Accession #

AAH15542.1

Structure / Form

Labeled with Alexa Fluor® 488 via amines
Excitation Wavelength: 488 nm
Emission Wavelength: 515-545 nm

Conjugate

Alexa Fluor 488 (Excitation= 488 nm, Emission= 515-545 nm)

Applications

Bioactivity

View all CD155/PVR Proteins and Enzymes »

Product Specifications

Source

Mouse myeloma cell line, NS0-derived human CD155/PVR protein
Gly27-Asn343, with a C-terminal 6-His tag

Purity

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

Endotoxin Level

<1.0 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Gly27

Predicted Molecular Mass

35 kDa

SDS-PAGE

60-70 kDa, under reducing conditions.

Activity

Measured by flow cytometry for its ability to bind anti-human CD155/PVR Monoclonal Antibody conjugated beads. The concentration of Recombinant Human CD155/PVR His-tag Alexa Fluor® 488 (Catalog # AFG2530) that produces 50% of the binding response is 25.0‑250 ng/mL.

Scientific Data Images for Recombinant Human CD155/PVR His-tag Alexa Fluor® 488 Protein

Flow cytometry analysis for Recombinant Human CD155 His-tag Alexa Fluor® 488 staining on Human CD155 Monoclonal Antibody conjugated beads.

Streptavidin coated beads conjugated to biotinylated Human CD155 were stained with the indicated concentrations of Recombinant Human CD155 His-tag Alexa Fluor® 488 (Catalog # AFG2530).

Recombinant Human CD155/PVR His-tag Alexa Fluor® 488 Protein SDS-PAGE.

2 μg/lane of Recombinant Human CD155/PVR His-tag Alexa Fluor® 488 Protein (Catalog # AFG2530) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 60-70 kDa.

Formulation, Preparation and Storage

AFG2530
Formulation Supplied as a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Shipping The product is shipped with dry ice or equivalent. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Protect from light. Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 6 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after opening.
  • 3 months, -20 to -70 °C under sterile conditions after opening.

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 alphav beta3 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

AAH15542.1

Additional CD155/PVR Products

Product Documents for Recombinant Human CD155/PVR His-tag Alexa Fluor® 488 Protein

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Recombinant Human CD155/PVR His-tag Alexa Fluor® 488 Protein

This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.
This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.

For research use only

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