Mouse TIGIT/VSTM3 (His Tag) recombinant protein

Mouse TIGIT/VSTM3 (His Tag) recombinant protein

• DataSheet
• Material Safety Data Sheets (MSDS)

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-10 and diminished the production of IL-12p40. 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.

T-cell immunoreceptor with Ig and ITIM domains

VSIG9; ENSMUSG00000071552; TIGIT; DKFZP667A205; WUCAM; FLJ39873; VSTM3

A0A0B4J1G6

Tigit

Human Cells

A DNA sequence encoding the extracellular domain of mouse TIGIT (NP_001139797.1) (Met 1-Gly 141) was expressed, with a C-terminal polyhistidine tag.

Mouse

The secreted recombinant mouse TIGIT comprises 127 amino acids and has a calculated molecular mass of 14.2 kDa. As a result of glycosylation, the apparent molecular mass of rmSIRPA is approximately 20-25 kDa in SDS-PAGE under reducing conditions.

> 90 % as determined by SDS-PAGE

Immobilized mouse TIGIT-His at 10 μg/ml (100 μl/well) can bind mouse PVR-Fch (Cat:504218), The EC₅₀ of mouse PVR-Fch (Cat:504218) is 0.31-0.73 μg/ml.