TIGIT Protein, Human, Recombinant (His Tag)

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TIGIT Protein, Human, Recombinant (His Tag): 製品情報

純度
> 90 % as determined by SDS-PAGE
内毒素
< 1.0 EU per μg of the protein as determined by the LAL method
活性
1. Measured by its ability to bind with human CD155-Fc (Cat:10109-H02H) in a functional ELISA.
2. Measured by its ability to bind with mouse PVR-Fch (Cat:50259-M03H) in a functional ELISA.
タンパク質の構築
A DNA sequence encoding the extracellular domain of human TIGIT (NP_776160.2) (Met 1-Phe 138) with a C-terminal polyhistidine tag was expressed.
NP No.
発現ホスト
HEK293 Cells
Human
予測N末端
Met 22
分子量
The secreted recombinant human TIGIT comprises 128 amino acids with a predicted molecular mass of 14.2 kDa.
バッファー
Lyophilized from sterile PBS, pH 7.4
Please contact us for any concerns or special requirements.
Please refer to the specific buffer information in the hard copy of CoA.
配送
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.
安定性 & 保存条件
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃
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.
再構成
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.

TIGIT Protein, Human, Recombinant (His Tag): 画像

TIGIT Protein, Human, Recombinant (His Tag): 別名

VSIG9 Protein, Human; VSTM3 Protein, Human; WUCAM Protein, Human

TIGIT 背景情報

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.
完全な名称
T cell immunoreceptor with Ig and ITIM domains
参考文献
  • 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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