B7-H4 Recombinant Protein Antigen

Novus Biologicals | Catalog # NBP2-30536PEP

Novus Biologicals
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Key Product Details

Source

E. coli

Applications

Antibody Competition
View all B7-H4 Proteins and Enzymes »

Product Specifications

Description

A recombinant protein antigen with a N-terminal His6-ABP tag corresponding to human VTCN1.

Source: E. coli

Amino Acid Sequence: ISGRHSITVTTVASAGNIGEDGILSCTFEPDIKLSDIVIQWLKEGVLGLVHEFKEGKDELSEQDEMFRGRTAVFADQVIVGNASLRL

Fusion Tag: N-terminal His6ABP (ABP = Albumin Binding Protein derived from Streptococcal Protein G)

This product is intended to be used as a blocking antigen for antibody competition assays. Any other use of this antigen is done at the risk of the user. The use of this product for commercial production is strictly prohibited. Please contact technical support if you have any questions.

Purity

>80% by SDS-PAGE and Coomassie blue staining

Predicted Molecular Mass

27 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Applications

Antibody Competition (10 - 100 molar excess)

Application Notes

This recombinant antigen is only intended to be used as a blocking agent to confirm antibody specificity with the corresponding antibody, catalog number NBP2-30536.

It is purified by IMAC chromatography, and the expected concentration is greater than 0.5 mg/ml.

For current lot information, including availability, please contact our technical support team click nb-technical@bio-techne.com

Protein / Peptide Type

Recombinant Protein Antigen

Formulation, Preparation, and Storage

NBP2-30536PEP
Formulation PBS and 1M Urea, pH 7.4.
Preservative No Preservative
Concentration Please see the vial label for concentration. If unlisted please contact technical services.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Store at -20C. Avoid freeze-thaw cycles.

Background: B7-H4

B7H4 is a costimulatory protein which is reported to function as a negative regulator of T-cell mediated immunity. Although B7H4 binds an unknown receptor, it is thought to deliver an inhibitory signal to T-cells preventing their proliferation, cell cycle progression and interleukin-2 production. B7H4 deficient mice are only minimally affected, thus suggesting B7H4 is important in the fine tuning of the T-cell mediated immune response. B7H4 is expressed on activated T-cells, B-cells, monocytes and dendritic cells. Aberrant expression has been associated with cancers of the lung, breast and ovary in humans. B7H4 could be a useful prognostic marker in Renal Cell Carcinoma (RCC). There are three different isoforms.

Long Name

B7 Homolog 4

Alternate Names

B7H4, B7S1, B7x, Vtcn1

Gene Symbol

VTCN1

Additional B7-H4 Products

Product Documents for B7-H4 Recombinant Protein Antigen

Certificate of Analysis

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Product Specific Notices for B7-H4 Recombinant Protein Antigen

This product is for research use only and is not approved for use in humans or in clinical diagnosis. This product is guaranteed for 1 year from date of receipt.

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