PCSK9 Protein, Human, Recombinant (His Tag), Biotinylated

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PCSK9 Protein, Human, Recombinant (His Tag), Biotinylated: Product Information

Purity
> 95 % as determined by SDS-PAGE.
Endotoxin
< 1.0 EU per μg protein as determined by the LAL method.
Activity
Testing in progress
Protein Construction
A DNA sequence encoding the human PCSK9 (NP_777596.2, natural mutation Val 474 Ile and Gly 670 Glu) (Met 1-Gln 692) was expressed with a C-terminal polyhistidine tag. The purified protein was biotinylated in vitro.
Accession#
Expressed Host
HEK293 Cells
Species
Human
Predicted N Terminal
Gln 32
Molecule Mass
The recombinant PCSK9 consists of 662 amino acids and predicts a molecular mass of 71.1 kDa.
Formulation
Lyophilized from sterile Sterile PBS.
1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 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.
Please refer to the specific buffer information in the hard copy of CoA.
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.
Stability & Storage
Samples are stable for up to twelve months from date of receipt at -70℃
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.

PCSK9 Protein, Human, Recombinant (His Tag), Biotinylated: Images

PCSK9 Protein, Human, Recombinant (His Tag), Biotinylated: Alternative Names

FH3 Protein, Human; HCHOLA3 Protein, Human; LDLCQ1 Protein, Human; NARC-1 Protein, Human; NARC1 Protein, Human; PC9 Protein, Human

PCSK9 Background Information

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.

References

Full Name
proprotein convertase subtilisin/kexin type 9
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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