T cell immunoreceptor with Ig and ITIM domains (TIGIT), also called VSIG9 and Vstm3, is a member of the CD28 family within the Ig superfamily of proteins. TIGIT contains an immunoglobulin variable domain, a transmembrane domain and an immunoreceptor tyrosine-based inhibitory motif (ITIM), and is expressed on regulatory, memory, activated T cells and NK cells. TIGIT binds to CD155(PVR) that appear on dendritic cells (DC), macrophages and endothelium with high affinity, and CD112(PVRL2) with lower affinity, but not CD113 (PVRL3). TIGIT-Fc fusion protein could interact with PVR on DC and enhance the secretion of IL-10, but inhibit the macrophage activation. Mice lacking TIGIT show increased T cell responses and susceptibility to autoimmune challenges, while knockdown of TIGIT with siRNA in human memory T cells did not affect T cell responses.
Product Name:
Cynomolgus TIGIT/VSIG9/VSTM3 Recombinant Protein (RPES2717)
Product Code:
RPES2717
Size:
10µg
Species:
Cynomolgus
Expressed Host:
Human Cells
Synonyms:
T-cell immunoreceptor with Ig and ITIM domains, VSIG9, VSTM3, TIGIT, V-set and transmembrane domain-containing protein 3, V-set and immunoglobulin domain-containing protein 9
Accession:
G7NXM4
Sequence:
Met89-Pro209
Fusion tag:
C-Fc
Endotoxin:
<1.0 EU per µg as determined by the LAL method.
Protein Construction:
Recombinant Cynomolgus TIGIT is produced by our Mammalian expression system and the target gene encoding Met89-Pro209 is expressed with a Fc tag at the C-terminus.
Purity:
> 95% as determined by reducing SDS-PAGE.
Mol Mass:
40.6 kDa
AP Mol Mass:
45-55 kDa
Formulation:
Lyophilized from a 0.2 µm filtered solution of PBS,pH 7.4.
Shipping:
This product is provided as lyophilized powder which is shipped with ice packs.
Stability and Storage:
Lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.
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