Recombinant Mouse Granzyme B Protein, CF

Catalog # 1865-SE | R&D Systems, Inc. a Bio-Techne Brand
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Key Product Details

Accession #

P04187

Source

NS0

Structure / Form

Pro form

Conjugate

Unconjugated

Applications

Enzyme Activity

Product Specifications

Source

Mouse myeloma cell line, NS0-derived mouse Granzyme B protein
Lys17-Ser247, with a C-terminal 10-His tag

Purity

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

Endotoxin Level

<1.0 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Lys17 & Gly19

Predicted Molecular Mass

27 kDa

SDS-PAGE

Multiple bands between 34-38 kDa, reducing conditions

Activity

Measured by its ability to cleave a peptide substrate, t-Butyloxycaronyl-Ala-Ala-Asp-ThioBenzyl ester (Boc-AAD-SBzl), in the presence of 5,5’-Dithio-bis (2-nitrobenzoic acid) (DTNB). Edwards, K.M. et al. (1999) J. Biol. Chem. 274:30468.
The specific activity is >2,000 pmol/min/µg as measured under the described conditions.

Formulation, Preparation and Storage

1865-SE
Formulation Supplied as a 0.2 μm filtered solution in HEPES, NaCl and CaCl2.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 6 months from date of receipt, -20 to -70 °C as supplied.
  • 3 months, -20 to -70 °C under sterile conditions after opening.

Background: Granzyme B

Granzyme B is a member of the granzyme family of the serine proteases found specifically in the cytotoxic granules of cytotoxic T lymphocytes (CTL) and natural killer (NK) cells (1, 2). Granzyme B plays an essential role in granule-mediated apoptosis and may have additional roles in rheumatoid arthritis and in bacterial and viral infections (3). It activates various caspases and cleaves proteins such as aggrecan (3). Mouse Granzyme B is synthesized as a precursor (247 residues) with a signal and a pro peptide (residues 1-20) and a mature chain (residues 21-247) (4, 5). The recombinant mouse Granzyme B consisting of residues 17 to 247 was expressed and purified. After activation with cathepsin C, it cleaves a thioester substrate described in the Activity Assay Protocol.

References

  1. Kam, C.-M. et al. (2000) Biochim. Biophys. Acta 1477:307.
  2. Smyth, M.J. et al. (1996) J. Leukoc. Biol. 60:555.
  3. Froelich, C.J. (2004) in Handbook of Proteolytic Enzymes, Barrett, A.J. et al. eds. p. 1549.
  4. Lobe, C.G. et al. (1986) Science 232:858.
  5. Brunet, J.F. et al. (1986) Nature 322:268.

Alternate Names

CGL-1, CGL1, CSPB, CTLA-1, CTLA1, CTSGL1, Fragmentin-2, Granzyme-2, GRB, GrzB, GZMB, HLP, SECT

Entrez Gene IDs

3002 (Human); 14939 (Mouse)

Gene Symbol

GZMB

UniProt

P04187

Product Documents for Recombinant Mouse Granzyme B Protein, CF

Certificate of Analysis

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Product Specific Notices for Recombinant Mouse Granzyme B Protein, CF

For research use only

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