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Product Details
Synonyms
4Ig-B7-H3, B7-H3, CD276, PSEC0249, UNQ309, PRO352, B7 homolog 3
Source
PE-Labeled Human B7-H3 (4Ig) Protein, His Tag (B73-HP2H3) is expressed from human 293 cells (HEK293). It contains AA Leu 29 - Pro 245 (Accession # Q5ZPR3-2).
Predicted N-terminus: Leu 29
Molecular Characterization
This protein carries a polyhistidine tag at the C-terminus.
Conjugate
PE
Excitation Wavelength: 488 nm / 561 nm
Emission Wavelength: 575 nm
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, 0.2% BSA, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
Reconstitution
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
Storage
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please protect from light and avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 12 months under sterile conditions after reconstitution.
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Performance Data
Evaluation of CAR expression
5e5 of anti-B7-H3 CAR-293 cells were stained with 100 μL of 1:50 dilution (2 μL stock solution in 100 μL FACS buffer) of PE-Labeled Human B7-H3 (4Ig) Protein, His Tag (Cat. No. B73-HP2H3) and negative control protein respectively(Fig. C and B), and non-transfected 293 cells were used as a control (Fig. A). PE signal was used to evaluate the binding activity (QC tested).
Protocol
5e5 of PBMCs were stained with PE-Labeled Human B7-H3 (4Ig) Protein, His Tag (Cat. No. B73-HP2H3) and anti-CD3 antibody, washed and then analyzed with FACS. FITC signal was used to evaluate the expression of CD3+ T cells in PBMCs , and PE signal was used to evaluate the non-specific binding activity to PBMCs (QC tested).
Protocol
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FAQ
- Product
What is the difference between Human B7-H3 and Human B7-H3 (4Ig)?
The Human B7-H3 protein with an expression range of Leu29–Pro245 contains a single pair of immunoglobulin-like V and C domains. The product with an expression range of Gly27–Thr461, named B7-H3 (4Ig), includes the entire extracellular region.
Background
Recent Advances
Drug Development Progress- English Name：
CD276 antigen
- Category：
- Approved Drugs：
0 Details
- Drugs in Clinical Trials：
72 Details
- Highest Development Stage：
NDA/BLA
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