Product Description |
Recombinant Human B7-H7/HHLA2 Protein is expressed from HEK293 with hFc tag at the C-Terminus.It contains Ile23-Asn344. |
Product Background |
B7-H7, also known as HHLA2 (HERV-H LTR-associating 2), is a member of the B7 family of immune regulatory proteins.Through interaction with TMIGD2, costimulates T-cells in the context of TCR-mediated activation. Enhances T-cell proliferation and cytokine production via an AKT-dependent signaling cascade. |
Product Category |
Recombinant Protein |
Target |
B7-H7/HHLA2 |
Synonyms |
B7H7; B7-H7; HHLA2; B7 Homolog 7 |
Accession |
|
Species |
Human |
Biotinylated |
no |
Amino Acid Range |
Ile23-Asn344 |
Molecular Weight |
The protein has a predicted MW of 63.7 kDa. Due to glycosylation, the protein migrates to 78-100 kDa based on Bis-Tris PAGE result. |
Activity |
Immobilized Human CD28H, His Tag at 5ug/ml (100ul/well) on the plate. Dose response curve for Human B7-H7, hFc Tag with the EC50 of 90.0ng/ml determined by ELISA (QC Test). The affinity constant of 334 nM as determined in SPR assay (Biacore T200). See testing image for detail. |
Product Tag |
C-hFc |
Express System |
HEK293 |
Purity |
> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC |
Endotoxin |
Less than 1EU per ug by the LAL method. |
Form |
Lyophilized |
Shipping |
Shipped at ambient temperature. |
Formulation |
Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. |
Reconstitution |
Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water. |
Stability And Storage |
Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. |
|
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Human B7-H7, hFc Tag captured on CM5 Chip via Protein A can bind Human KIR3DL3, His Tag with an affinity constant of 334 nM as determined in SPR assay (Biacore T200). |
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Immobilized Human CD28H, His Tag at 5ug/ml (100ul/well) on the plate. Dose response curve for Human B7-H7, hFc Tag with the EC50 of 90.0ng/ml determined by ELISA (QC Test). |
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Human B7-H7 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%. |
|
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The purity of Human B7-H7 is greater than 95% as determined by SEC-HPLC. |
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