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Human Cathepsin C / CTSC / DPPI Protein (His Tag)

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Human CTSC/DPP1 Protein Product Information
Protein Construction:A DNA sequence encoding the pro form of human cathepsin C (NP_001805.3) (Met 1-Leu 463) was expressed with a polyhistidine tag at the C-terminus.
Expressed Host:Human Cells
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Human CTSC/DPP1 Protein QC Testing
Purity:> 92 % as determined by SDS-PAGE
Bio-Activity:Measured by its ability to cleave the fluorogenic peptide substrate, Gly-Arg-7-amido-4-methylcoumarin (GRAMC). The specific activity is >200 pmoles/min/μg.
Endotoxin:< 1.0 EU per μg of the protein as determined by the LAL method
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Asp 25
Molecule Mass:The secreted recombinant human cathepsin C exists as the pro form after removal of the signal peptide. It consists of 450 amino acids and has a predicted molecular mass of 51 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of rhCTSC is approximately 55 kDa.
Formulation:Lyophilized from sterile PBS, pH 7.4
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Human CTSC/DPP1 Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Human CTSC/DPP1 Protein SDS-PAGE
Human Cathepsin C / CTSC / DPPI Protein (His Tag) SDS-PAGE
Other CTSC/DPP1 Recombinant Protein Products
Cathepsin C/CTSC Background

Cathepsins are proteases found in many types of cells conserved in all animals, which have a vital role in mammalian cellular turnover such as bone resorption. The lysosomal cysteine protease Cathepsin C (CTSC), also known as dipeptidyl peptidase I (DPPI/DPP1), activates a number of granule-associated serine proteases with pro-inflammatory and immune functions by removal of their inhibitory N-terminal dipeptides. This lysosomal exo-cysteine protease belonging to the peptidase C1 family. Active cathepsin C is found in lysosomes as a 200-kDa multimeric enzyme. Subunits constituting this assembly all arise from the proteolytic cleavage of a single precursor giving rise to three peptides: the propeptide, the alpha- and the beta-chains. It is a central coordinator for activation of many serine proteases in immune/inflammatory cells. Defects in the Cathepsin C have been shown to be a cause of Papillon-Lefevre disease, an autosomal recessive disorder characterized by palmoplantar keratosis and periodontitis. Cathepsin C plays a key role in the activation of several degradative enzymes linked to tissue destruction in inflammatory diseases. Thus, it is a therapeutic target for the treatment of a number of inflammatory and autoimmune diseases.

Human Cathepsin C/CTSC References
  • Santilman V, et al. (2002) Importance of the propeptide in the biosynthetic maturation of rat cathepsin C. Eur J Cell Biol. 81(12): 654-63.
  • Kam CM, et al. (2004) Design and evaluation of inhibitors for dipeptidyl peptidase I (Cathepsin C). Arch Biochem Biophys. 427(2): 123-34.
  • Noack B, et al. (2008) Cathepsin C gene variants in aggressive periodontitis. J Dent Res. 87(10): 958-63.
  • Laine DI, et al. (2010) Inhibitors of cathepsin C (dipeptidyl peptidase I). Expert Opin Ther Pat. 20(4): 497-506.
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    Catalog: 10484-H08H-10
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    All information of our products is subject to change without notice. Please refer to COA enclosed in shipped package for the newest information.