Human B7-H7/HHLA2 Protein (BH7-HM277)

  • Express System: HEK293
  • Product Tag: C-hFc
  • Purity: > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
  • 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.
  • Exact Sequence: Ile23-Asn344

Catalog: BH7-HM277

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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

Gene/Protein ID

Q9UM44-1

Species

Human

Exact Sequence

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 Tris-Bis 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 Tris-Bis 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.
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).
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 purity of Human B7-H7 is greater than 95% as determined by SEC-HPLC.
Human B7-H7 on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.

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