Recombinant Human Kallikrein 7 Protein, CF Best Seller

R&D Systems, part of Bio-Techne | Catalog # 2624-SE

R&D Systems, part of Bio-Techne
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2624-SE-010
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Key Product Details

Source

NS0

Accession #

P49862

Structure / Form

Pro form

Conjugate

Unconjugated

Applications

Enzyme Activity

View all Kallikrein 7 Proteins and Enzymes »

Product Specifications

Source

Mouse myeloma cell line, NS0-derived human Kallikrein 7 protein
Glu23-His252, 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

Glu23

Predicted Molecular Mass

26 kDa

SDS-PAGE

29 kDa and 32 kDa, reducing conditions

Activity

Measured by its ability to cleave the fluorogenic peptide substrate, Mca-RPKPVE-Nval-WRK(Dnp)-NH2 (Catalog # ES002).
The specific activity  is >150 pmol/min/µg, as measured under the described conditions.

Reviewed Applications

Read 3 reviews rated 5 using 2624-SE in the following applications:

Scientific Data Images for Recombinant Human Kallikrein 7 Protein, CF

Recombinant Human Kallikrein 7 Protein Enzyme Activity

Recombinant Human Kallikrein 7 Protein Enzyme Activity

Recombinant Human Kallikrein 7 (Catalog # 2624-SE) is measured by its ability to cleave the fluorogenic peptide substrate Mca-RPKPVE-Nval-WRK(Dnp)-NH2 (Catalog # ES002).

Formulation, Preparation and Storage

2624-SE
Formulation Supplied as a 0.2 μm filtered solution in HEPES and NaCl.
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: Kallikrein 7

Human tissue Kallikrein 7 (hK7), also known as stratum corneum chymotryptic enzyme (SCCE), is a member of the human tissue kallikrein family. Full-length hK7 consists of 253 amino acids, with a signal peptide (residues 1‑22), short pro peptide (residues 23‑29) and mature chain (residues 30‑252) (1). Predominantly expressed in the skin, a major physiological function of hK7 is to regulate the desquamation process through proteolysis of the intercellular adhesive structures between corneocytes (2). Thus, it is related to some inflammatory skin diseases, such as psoriasis and chronic itchy dermatitis (3, 4). Studies have shown that one potential physiological activator for hK7 is hK5, another member of the human tissue Kallikrein family. Along with hK14, these three kallikreins form a proteolytic cascade in the stratum corneum (5). The purified, secreted recombinant human K7 corresponds to the pro form. When activated by thermolysin, it displays enzymatic activity towards a fluorogenic synthetic peptide described in the Activity Assay Protocol. This activity can be inhibited by recombinant human Serpin A1, A3, A4, and A5 (Catalog # http://www.rndsystems.com/product_results.aspx?k=1268-PI">1268-PI, http://www.rndsystems.com/product_results.aspx?k=1295-PI">1295-PI, http://www.rndsystems.com/product_results.aspx?k=1669-PI">1669-PI, and http://www.rndsystems.com/product_results.aspx?k=1266-PI">1266-PI).

References

  1. Hansson, L. et al. (1994) J. Bio. Chem. 269:19420.
  2. Caubet, C. et al. (2004) J. Invest. Dermatol. 122:1235.
  3. Ekholm, E. and Egelrud, T. (1999) Arch. Dermatol. Res. 291:195.
  4. Hansson, L. et al. (2002) J. Invest. Dermatol. 118:444.
  5. Brattsand, M. et al. (2004) J. Invest. Dermatol. 124:198.

Alternate Names

KLK7

Entrez Gene IDs

5650 (Human); 23993 (Mouse)

Gene Symbol

KLK7

UniProt

P49862

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Product Specific Notices for Recombinant Human Kallikrein 7 Protein, CF

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