"CTLA4" Related Products

CTLA4[Biotinylated]:B7-2 Inhibitor Screening Assay Kit

Cat.No.: Kit-1713
Product Overview: B7-2 (CD86) signaling through CTLA4(CD152) has been shown to inhibit T cell activation. This co-inhibitory pathway can be overactive in many tumors, enabling cancers to escape the host"s immune system. CTLA4-blocking antibodies, including Ipilimumab (Yervoy) and Tremelimumab, have shown clinical efficacy in treating cancer.
Size: 96 reactions
Description: The CTLA4[Biotinylated]:B7-2 Inhibitor Screening Assay Kit is designed for screening and profiling inhibitors of CTLA4:B7-2 interaction. The key to this kit is the high sensitivity of detection of biotin-labeled CTLA4 by streptavidin-HRP. Only a few simple steps on a microtiter plate are required for the assay. First, B7-2 is coated on a 96-well plate. Next, CTLA4-biotin is incubated with B7-2 on the plate. Finally, the plate is treated with streptavidin-HRP followed by addition of an HRP substrate to produce chemiluminescence, which can then be measured using a chemiluminescence reader.
Applications: This kit is useful for screening for inhibitors of CTLA4 binding to B7-2.
Storage: Stable at least 6 months from date of receipt, when stored as directed. Kit components require different storage conditions. Be sure to store each component at the proper temperature upon arrival
Kit Components: CTLA4 (CD152), Fc fusion, Biotin-labeled: 3 µg; -80°C B7-2 (CD86), Fc fusion: 10 µg; -80°C Streptavidin-HRP: 15 µl; +4°C 3x CTLA4 Assay Buffer: 50 ml; -20°C Blocking Buffer: 50 ml; +4°C HRP chemiluminescent substrate A (transparent bottle): 6 ml; +4°C HRP chemiluminescent substrate B (brown bottle): 6 ml; +4°C White 96-well microplate: 1; +4°C

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Optional requirements on this protein    +Expand
C-fusion    N-fusion   Non-tagged
His    GST   Fc   Others
<1.0 eu/μg    <0.1 eu/μg   <0.01 eu/μg   Not required
Monomer Isolation    Dimer Isolation    Not required
>80% by SDS-PAGE    >90% by SDS-PAGE   >95% by SDS-PAGE   Others

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