Recombinant Mouse Furin Protein, CF

R&D Systems, part of Bio-Techne | Catalog # 6450-SE

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

Source

CHO

Accession #

P23188

Conjugate

Unconjugated

Applications

Enzyme Activity

View all Furin Proteins and Enzymes »

Product Specifications

Source

Chinese Hamster Ovary cell line, CHO-derived mouse Furin protein
Gln25-Glu714, 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

Asp108, Cys198, Ser239, Glu684

Predicted Molecular Mass

77 kDa

SDS-PAGE

60-80 kDa, reducing conditions

Activity

Measured by its ability to cleave the fluorogenic peptide substrate pERTKR-AMC (Catalog # ES013).
The specific activity is >150 pmol/min/μg, as measured under the described conditions.

Formulation, Preparation and Storage

6450-SE
Formulation Supplied as a 0.2 μm filtered solution in Tris, CaCl2, NaCl, Brij-35 and Glycerol.
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: Furin

Furin is a member of the proprotein convertase (PC) family, which belongs to the subtilisin superfamily of serine proteases. As a cellular protease, Furin processes a variety of proproteins in secretory pathway compartments by cleaving after Arg‑Xaa‑Lys/Arg‑Arg‑like motifs, which usually reside at the end of the pro regions of these proproteins. Examples of the proprotein substrates are growth factors and receptors, extracellular matrix proteins, and other proteases. Furin has an essential role in embryogenesis and homeostasis and is implicated in various pathologies such as cancer, neurodegenerative diseases and anthrax (1, 2). Mouse Furin is a 793 amino acid type I transmembrane protein precursor with a signal peptide (residues 1‑24), a pro region (residues 25‑107), which play a crucial role in the folding, activation and transport of Furin, and a mature chain (residues 108‑793) (2, 3). Mouse Furin displays ~94% homology to the human Furin sequence and >99% homology to the subtilisin‑like catalytic domain (3). The mature chain consists of the subtilisin‑like catalytic domain, a P domain, which is essential for enzyme activity and the modulation of pH and calcium requirements, and a cytoplasmic domain, which controls the localization and sorting of Furin in the trans‑Golgi network/endosomal system (1). The purified recombinant mouse Furin (residues 108‑714) corresponds to the mature enzyme terminated before the transmembrane domain.

References

  1. Thomas, G. (2002) Nature Rev. Mol. Cell Biol. 3:753.
  2. Creemers, J.W. and W.J. Van de Ven. (2004) in Handbook of Proteolytic Enzymes (ed. Barrett, et al.), pp. 1531, Academic Press, San Diego.
  3. Hatsuzawa, K. et al. (1990) J. Biol. Chem. 265:22075.

Alternate Names

FUR, PACE, PCSK3, SPC1

Entrez Gene IDs

5045 (Human); 18550 (Mouse)

Gene Symbol

FURIN

UniProt

P23188

Additional Furin Products

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