Recombinant Human CD96v2 Fc Chimera Protein, CF

R&D Systems, part of Bio-Techne | Catalog # 9556-CD

R&D Systems, part of Bio-Techne
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9556-CD-050
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Key Product Details

Source

HEK293

Accession #

P40200-2

Structure / Form

DIsulfide-linked homodimer

Conjugate

Unconjugated

Applications

Bioactivity

View all CD96 Proteins and Enzymes »

Product Specifications

Source

Human embryonic kidney cell, HEK293-derived human CD96 protein
Human CD96
(Lys25-Met503)
Accession # P40200-2		 IEGRMD Human IgG1
(Pro100-Lys330)
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.

N-terminal Sequence Analysis

Lys25

Predicted Molecular Mass

80 kDa

SDS-PAGE

132-152 kDa, reducing conditions

Activity

Measured by its binding ability in a functional ELISA.
When Recombinant Human CD155/PVR Fc Chimera (Catalog # 9174-CD) is immobilized at 1 μg/mL, 100 μL/well, the concentration of Recombinant Human CD96 v2 Fc Chimera that produces 50% of the optimal binding response is 30-150 ng/mL.

Scientific Data Images for Recombinant Human CD96v2 Fc Chimera Protein, CF

Recombinant Human CD96v2 Fc Chimera Protein Bioactivity

Recombinant Human CD96v2 Fc Chimera Protein Bioactivity

When Recombinant Human CD155/PVR Fc Chimera (Catalog # 9174-CD) is immobilized at 1 µg/mL, 100 µL/well, Recombinant Human CD96v2 Fc Chimera (Catalog # 9556-CD) binds with an ED50 of 30-150 ng/mL.

Formulation, Preparation and Storage

9556-CD
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution
Reconstitute at 500 μg/mL in PBS.

Reconstitution Buffer Available:
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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.

Background: CD96

Human CD96, also known as Tactile (T cell-activated increased late expression), is a 160 kDa type I transmembrane glycoprotein of the Ig superfamily that shows peak expression 6-9 days after activation of T, NK, and a subpopulation of B cells (1, 2). CD96 is also frequently expressed on acute myeloid leukemia and myelodysplastic stem cells (3, 4). It is expressed on CD4+ and CD8+ T cells, plus NK cells and select B cells (5). Low expression of adhesive human CD69 is a rare cause of C syndrome, a set of developmental anomalies in cranial bone (trigonocephaly), skin and viscera, demonstrating a role for CD96 in development of these tissues (2, 6). Human CD96 has two isoforms generated by alternative splicing. Isoform 2 is the most common form of CD96 that shows a 16 amino acid (aa) deletion comparing to isoform 1. Mature human CD96 isoform 2 is a 548 amino acid (aa), type I transmembrane glycoprotein. It contains a 482 aa extracellular region that contains three Ig-like domains. The two N-terminal domains are V-type and I-type, while the distal domain is a C-type structure (2). Within the ECD, human CD96 shares 53% and 52% aa sequence identity with mouse CD96 and rat CD96, respectively (7). The ECD is highly N- and O-glycosylated (1). An 80 kDa soluble form is elevated in human serum during chronic hepatitis B (9). The most N-terminal Ig-like domain of human CD96 binds to CD155/PVR (poliovirus receptor), but CD96/CD155 interaction is species-specific (2, 7, 10). Mouse CD96 also binds Nectin-1 (7). On NK cells, costimulatory CD96 and DNAM-1 (CD226) are thought to have paired activity with inhibitory TIGIT, all of which bind CD155 and various Nectins (11, 12). CD96 can promote NK cell adhesion to, and killing of target cells, including tumors that express CD155 (10, 11).

References

  1. Wang, P.L. et al. (1992) J. Immunol. 148:2600.
  2. Meyer, D. et al. (2009) J. Biol. Chem. 284:2235.
  3. Hosen, N. et al. (2007) Proc. Natl. Acad. Sci. USA 104:11008.
  4. Xie, W. et al. (2010) Cytometry A 77:840.
  5. Eriksson,E. M. et al. (2012) PLOS One 7:e51696
  6. Kaname, T. et al. (2007) Am. J. Hum. Genet. 81:835.
  7. Seth, S. et al. (2007) Biochem. Biophys. Res. Commun. 364:959.
  8. Protein Accession # BAE32358.
  9. Gong, J. et al. (2008) Clin. Exp. Immunol. 155:207.
  10. Fuchs, A. et al. (2004) J. Immunol. 172:3394.
  11. Stanietsky, N. and O. Mandelboim (2010) FEBS Lett. 584:4895.
  12. Xu, Z. and B. Jin (2010) Cell. Mol. Immunol. 7:11.

Alternate Names

CD96, TACTILE

Entrez Gene IDs

10225 (Human); 84544 (Mouse); 498079 (Rat); 102121080 (Cynomolgus Monkey)

Gene Symbol

CD96

UniProt

P40200-2

Additional CD96 Products

Product Documents for Recombinant Human CD96v2 Fc Chimera Protein, CF

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