Cystatin SA Recombinant Protein Antigen

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-33401PEP

Novus Biologicals, part of Bio-Techne
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NBP2-33401PEP
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Key Product Details

Source

E. coli

Conjugate

Unconjugated

Applications

Antibody Competition

View all Cystatin SA Proteins and Enzymes »

Product Specifications

Description

A recombinant protein antigen with a N-terminal His6-ABP tag corresponding to human CST2.

Source: E. coli

Amino Acid Sequence: EEDRIIEGGIYDADLNDERVQRALHFVIS

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

21 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 NBP2-33401.

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

NBP2-33401PEP
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: Cystatin SA

The cystatin superfamily encompasses proteins that contain multiple cystatin-like sequences. Some of the members are active cysteine protease inhibitors, while others have lost or perhaps never acquired this inhibitory activity. There are three inhibitory families in the superfamily, including the type 1 cystatins (stefins), type 2 cystatins and the kininogens. The type 2 cystatin proteins are a class of cysteine proteinase inhibitors found in a variety of human fluids and secretions, where they appear to provide protective functions. The cystatin locus on chromosome 20 contains the majority of the type 2 cystatin genes and pseudogenes. This gene is located in the cystatin locus and encodes a secreted thiol protease inhibitor found at high levels in saliva, tears and seminal plasma. [provided by RefSeq]

Alternate Names

CST2, CSTSA

Gene Symbol

CST2

Additional Cystatin SA Products

Product Documents for Cystatin SA Recombinant Protein Antigen

Product Datasheets

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Product Specific Notices for Cystatin SA 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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