biological source
mouse
Quality Level
recombinant
expressed in NS.1 cells
assay
≥99% (SDS-PAGE)
form
buffered aqueous solution
mol wt
97 kDa
packaging
pkg of 1 mg
storage condition
avoid repeated freeze/thaw cycles
impurities
≤1 EU/mg protein Endotoxin level (LAL test)
UniProt accession no.
shipped in
wet ice
storage temp.
−20°C
Gene Information
mouse ... Cd152(12477), Ctla4(12477)
General description
The complement (C1q) and FcγR I binding sites of the Fcγ2a fragment allow the Fc portion of the fusion protein to effectively facilitate direct antibody directed cytotoxicity (ADCC) and complement directed cytotoxicity (CDC).
Biochem/physiol Actions
CD152 (CTLA4), a cell surface glycoprotein expressed at low levels on activated T cells, is a high affinity receptor for the costimulatory molecules CD80 (B7-1) and CD86 (B7-2). A related cell surface glycoprotein, CD28, binds to CD80 and CD86 with lower affinity. The soluble CD152/Fc chimeric fusion protein blocks the B7/CD28 signaling pathway by binding to CD80 and CD86.
Other Notes
The extracellular domain (160 amino acids) of mouse CD152 is fused to mouse IgG2a Fc domain.
Physical form
Solution, 0.2 μm filtered, in phosphate buffered saline, pH 7.4, with no preservative added.
Preparation Note
Purified from serum-free tissue culture supernatant
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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