TIGIT Protein, Cynomolgus, Recombinant (ECD, Fc Tag)

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TIGIT Protein, Cynomolgus, Recombinant (ECD, Fc Tag): Product Information

Purity
> 95 % as determined by SDS-PAGE.
Endotoxin
< 1.0 EU per μg protein as determined by the LAL method.
Activity
Testing in progress
Protein Construction
A DNA sequence encoding the cynomolgus TIGIT (XP_015300911.1) (Met1-Pro209) was expressed with the Fc region of human IgG1 at the C-terminus.
Expressed Host
HEK293 Cells
Species
Cynomolgus
Predicted N Terminal
Lys 27
Molecule Mass
The recombinant cynomolgus TIGIT consists of 421 amino acids and predicts a molecular mass of 47.2 kDa.
Formulation
Lyophilized from sterile PBS, pH 7.4.
1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Please refer to the specific buffer information in the hard copy of CoA.
Shipping
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Stability & Storage
Samples are stable for up to twelve months from date of receipt at -70℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.

TIGIT Protein, Cynomolgus, Recombinant (ECD, Fc Tag): Images

TIGIT Background Information

TIGIT, also known as V-set and transmembrane domain-containing protein 3 (VSTM3) or V-set and immunoglobulin domain-containing protein 9 (VSIG9) is a new surface protein containing an immunoglobulin variable domain, a transmembrane domain and an immunoreceptor tyrosine-based inhibitory motif (ITIM). TIGIT is expressed on regulatory, memory, activated T cells and NK cells. It binds PVR with high affinity, and PVRL2 with lower affinity, but not PVRL3. Knockdown of TIGIT with siRNA in human memory T cells did not affect T cell responses, however, TIGIT inhibits NK cytotoxicity directly through its ITIM. TIGIT suppresses T cell activation by promoting the generation of mature immunoregulatory dendritic cells. The binding of PVR to TIGIT on human dendritic cells enhanced the production of IL-1 and diminished the production of IL-12p4. In addition, TIGIT counter inhibits the NK-mediated killing of tumor cells and protects normal cells from NK-mediated cytotoxicity thus providing an "alternative self" mechanism for MHC class I inhibition.
Full Name
T cell immunoreceptor with Ig and ITIM domains
References
  • Ota T., et al.,(2004), Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat. Genet. 36:40-45.
  • Bechtel S., et al., (2007), The full-ORF clone resource of the German cDNA consortium.BMC Genomics 8:399-399.
  • Yu X., Harden K., et al.,(2009), The surface protein TIGIT suppresses T cell activation by promoting the generation of mature immunoregulatory dendritic cells. Nat. Immunol. 10:48-57.
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