Human B7-H4 Protein (LTP10733)

Product Name
Human B7-H4 Protein (LTP10733)
Catalog Number
LTP10733
Quantity
100ug
Price
$293 In stock
Background
B7-H4, also known as B7x and B7S1, is a 50-80 kDa glycosylated member of the B7 family of immunomodulatory proteins.B7-H4 is up-regulated in several carcinomas in correlation with tumor progression and metastasis. A soluble form of B7-H4 is elevated in the serum of ovarian cancer, renal cell carcinoma, and rheumatoid arthritis patients, also in correlation with advanced disease status .
Description
Recombinant Human B7-H4 Protein is expressed from Expi293 with His tag and Avi tag at the C-terminal. It contains Phe29-Ala258.
Target
B7-H4
Species
Human
Gene/Protein ID
Q7Z7D3-1
Exact Sequence
Phe29-Ala258
Molecular Weight
The protein has a predicted MW of 28.2 kDa. Due to glycosylation, the protein migrates to 52-68 kDa based on the Tris-Bis PAGE result.
Activity
Immobilized Human B7-H4, His Tag at 0.5ug/ml (100ul/Well) on the plate. Dose response curve for Anti-B7-H4 Antibody, hFc Tag with the EC50 of 9.4ng/ml determined by ELISA. See testing image for detail.
Tag
C-His-Avi
Express System
Expi293
Purity
> 95% as determined by Tris-Bis PAGE; > 95% as determined by HPLC
Endotoxin
Less than 1EU per ug by the LAL method.
Formulation
Lyophilized from 0.22 um filtered solution in PBS (pH 7.4). Normally 5% trehalose is added as a protectant before lyophilization.
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.

Shipping
Shipped at ambient temperature.
Reconstitution

Centrifuge tubes before opening. Reconstituting to a concentration of more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water.

Image
Human B7-H4 Protein (LTP10733)
  • 5 Units in Stock
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