Recombinant Monkey Cystatin B/Stefin B Protein

Novus Biologicals | Catalog # NBP3-57607

Novus Biologicals
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Key Product Details

Applications

Western Blot, ELISA, Cell Culture
View all Cystatin B Proteins and Enzymes »

Product Specifications

Description

A recombinant protein corresponding to 97 aa of Monkey Cystatin B/Stefin B.

Source: Yeast

Amino Acid Sequence: MCGAPSAVQP ATAETQDIAD QVRSQLEEKE NKKFPVFKAV SFKSQVVAGT NYFIKVHVGD EDFVHLRVFK SLPHENKPLT LSDYQTNKAK HDELSYF (97)

Stable for up to 12 months from date of receipt at -20C. Stable for 3 months when stored in working aliquots with a carrier protein at -20C. Avoid repeated freeze/thaw cycles.

Purity

>98%, by SDS-PAGE

Endotoxin Level

No affinity tags & naturally endotoxin-free

Predicted Molecular Mass

11 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

Enzyme-linked Immunosorbent Spot (ELISPOT)
ELISA Standard (Matched Pair) (ELISA(Sta))

Protein / Peptide Type

Recombinant Protein

Formulation, Preparation, and Storage

NBP3-57607
Formulation Lyophilized in 1-5X PBS containing 10% Trehalose
Preservative 10% Trehalose
Concentration Lyoph
Reconstitution Reconstitute in sterile PBS with at least 0.1% carrier protein
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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Cystatin B

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 kininogens. This gene encodes a stefin that functions as an intracellular thiol protease inhibitor. The protein is able to form a dimer stabilized by noncovalent forces, inhibiting papain and cathepsins l, h and b. The protein is thought to play a role in protecting against the proteases leaking from lysosomes. Evidence indicates that mutations in this gene are responsible for the primary defects in patients with progressive myoclonic epilepsy (EPM1).

Alternate Names

CSTB, Stefin B

Gene Symbol

CSTB

Additional Cystatin B Products

Product Documents for Recombinant Monkey Cystatin B/Stefin B Protein

Certificate of Analysis

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Product Specific Notices for Recombinant Monkey Cystatin B/Stefin B Protein

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.

Related Research Areas

Cysteine Proteases and Regulators

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Protocols

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FAQs

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