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Product Description: CD112 (also called Nectin-2 or poliovirus receptor-related 2 protein) is a type I transmembrane glycoprotein and a member of the Ig gene superfamily (IGSF). CD112/Nectin-2 functions as an adhesion molecule involved in the formation of cell junctions and interactions with other Nectin-family molecules. Nectin-2 is a also a surface marker of some endothelial cells and regulates migration, proliferation and angiogenesis. CD112 functions as an immune checkpoint regulator by modulating T cell signaling, either as a costimulator of T cell function, or as a coinhibitor of T cells proliferation by binding to the receptors CD226 or TIGIT (T cell Ig and immunoreceptor tyrosine-based inhibitory motif (ITIM) domain), respectively. The binding of CD112 ligand to these receptors is weak compared to CD155. Recently, a new receptor of CD112, called CD112R or PVRIG (Poliovirus receptor-related immunoglobulin domain-containing protein) has been characterized, showing high affinity to CD112. CD112R is a new coinhibitory receptor of the PVR family for human T cells, inhibiting TCR-mediated signals upon binding to CD112/Nectin-2. CD112R is preferentially expressed in T lymphocytes and NK cells. Cancer cells evade immune responses as a result of an immunosuppressive tumor microenvironment and CD112R, by playing a role in the regulation of the immune system, could be a new attractive cancer immunotherapy target.
Alternate Names/Synonyms: CD112 Receptor; Poliovirus Receptor-related Immunoglobulin Domain-containing Protein; Transmembrane Protein PVRIG
Product type: Protein
Source / Host: HEK 293 cells
Sequence: The extracellular domain of mouse CD112R (aa 28-165) is fused at the C-terminus to the Fc portion of human IgG1.
Species Crossreactivity: Mouse
Biological Activity: Binds to the ligand mouse CD112 (PVRL2, Nectin-2) with an EC50 of 5nM.
Molecular Weight: ~48-50kDa (SDS-PAGE)
Purity: >90% (SDS-PAGE)
Endotoxin: <0.01EU/µg purified protein (LAL test; Lonza).
Formulation: Lyophilized. Contains PBS.
Handling Advice: After reconstitution, prepare aliquots and store at -20°C. Avoid freeze/thaw cycles. PBS containing at least 0.1% BSA should be used for further dilutions.
Short Term Storage: +4°C
Long Term Storage: -20°C
Shipping: BLUE ICE
Use & Stability: Stable for at least 6 months after receipt when stored at -20°C. Working aliquots are stable for up to 3 months when stored at -20°C.
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