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Rat PCSK9 / NARC1 Protein (His Tag)

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Rat PCSK9 Protein Product Information
Synonym:NARC-1, Narc1, PC9, Pcsk9
Protein Construction:A DNA sequence encoding the rat PCSK9 (NP_954862.2) (Met 1-Gln 691) was expressed, fused 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.
Rat PCSK9 Protein QC Testing
Purity:> 97 % as determined by SDS-PAGE
Bio-Activity:1. Measured by its ability to bind biotinylated human LDLR in a functional ELISA .
2. Measured by its ability to bind biotinylated mouse LDLR in a functional ELISA.
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:Gln 31
Molecule Mass:The secreted recombinant pro form of rat PCSK9 comprises 672 amino acids and predicts a molecular mass of 72.8 kDa. As a result of glycosylation and proteolytic digestion, rat PCSK9 migrates as doublet with apparent molecular mass of 20 kDa and 62 kDa corresponding to the pro domain and mature form respectively in SDS-PAGE under reducing conditions.
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.
Rat PCSK9 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.
Rat PCSK9 Protein SDS-PAGE
Rat PCSK9 / NARC1 Protein (His Tag) SDS-PAGE
Other PCSK9 Recombinant Protein Products
PCSK9 Background

Proprotein convertase subtilisin/kexin type 9 (PCSK9), also known as NARC1 (neural apoptosis regulated convertase), which is a newly identified human secretory subtilase belonging to the proteinase K subfamily of the secretory subtilase family. PCSK9 protein is an enzyme which in humans is encoded by the PCSK9 gene with orthologs found across many species. It is expressed in neuroepithelioma, colon carcinoma, hepatic and pancreatic cell lines, and in Schwann cells. PCSK9 protein is highly expressed in the liver and regulates low density lipoprotein receptor (LDLR) protein levels. Inhibition of PCSK9 protein function is currently being explored as a means of lowering cholesterol levels. Thereby, PCSK9 protein is regarded as a new strategy to treat hypercholesterolemia. PCSK9 protein contributes to cholesterol homeostasis and may have a role in the differentiation of cortical neurons.


Rat PCSK9 References
  • Sseidah, N.G. et al., 2003, Proc. Natl. Acad. Sci. USA. 100: 928-933.
  • Beyer, T.P. et al., 2007, J. Lipid. Res. 48: 1488-1498
  • Shan, L. et al., 2008, Biochem. Biophys. Res. Commun. 375: 69-73.
  • Benjannet, S. et al., 2005, J. Biol. Chem. 279: 48865-48875.
  • Abifadel, M. et al., 2003, Nat. Genet. 34: 154-156.
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    Catalog: 80005-R08H-10
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