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Product Details
Synonyms
B7-H5, SISP1, Gi24, VISTA
Source
Human B7-H5 Protein, Mouse IgG2a Fc Tag (B75-H5258) is expressed from human 293 cells (HEK293). It contains AA Phe 33 - Ala 194 (Accession # AAH20568.1).
Predicted N-terminus: Phe 33
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries a mouse IgG2a Fc tag at the C-terminus.
The protein has a calculated MW of 45.0 kDa. The protein migrates as 55-70 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 0.01 EU per μg by the LAL method / rFC method.
Purity
>95% as determined by SDS-PAGE.
Formulation
Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, pH7.5 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 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 3 months under sterile conditions after reconstitution.
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Performance Data
SDS-PAGE
Human B7-H5 Protein, Mouse IgG2a Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
Bioactivity-ELISA
Immobilized Biotinylated Human VSIG3, Fc,Avitag (Cat. No. VS3-H82F9) at 5 μg/mL (100 μL/well) on Streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate, can bind Human B7-H5 Protein, Mouse IgG2a Fc Tag (Cat. No. B75-H5258) with a linear range of 0.039-0.625 μg/mL (QC tested).
Protocol
Bioactivity-SPR
Human B7-H5 Protein, Mouse IgG2a Fc Tag (Cat. No. B75-H5258) Captured on CM5 chip via anti-mouse antibodies surface can bind Human VSIG3, Fc Tag (Cat. No. VS3-H5258) with an affinity constant of 8.87 μM as determined in a SPR assay (Biacore T200) (Routinely tested).
Protocol
Bioactivity-BLI
Loaded Biotinylated Human VSIG3, Fc,Avitag (Cat. No. VS3-H82F9) on SA Biosensor, can bind Human B7-H5, Mouse IgG2a Fc Tag (Cat. No. B75-H5258) with an affinity constant of 2.6 μM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
V-domain Ig suppressor of T-cell activation
- Category：
- Approved Drugs：
0 Details
- Drugs in Clinical Trials：
8 Details
- Highest Development Stage：
Phase 3 Clinical
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