Proprotein convertase subtilisin/kexin type 9; 3421-; Neural apoptosis-regulated convertase 1; NARC-1; Proprotein convertase 9; PC9; Subtilisin/kexin-like protease PC9; PCSK9; NARC1

For Research Use Only. Not for use in diagnostic procedures.

Polyclonal

Rabbit Ig

Rabbit

This PCSK9 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 144-173 amino acids from the N-terminal region of human PCSK9.

Peptide Affinity Purified Rabbit Polyclonal Antibody (Pab)

Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.

Maintain refrigerated at 2-8 degree C for up to 6 months. For long term storage store at -20 degree C in small aliquots to prevent freeze-thaw cycles.

Small volumes of anti-PCSK9 antibody vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

PCSK9 is a proprotein convertase belonging to the proteinase K subfamily of the secretory subtilase family. This protein is synthesized as a soluble zymogen that undergoes autocatalytic intramolecular processing in the endoplasmic reticulum. The protein may function as a proprotein convertase. The protein plays a role in cholesterol homeostasis and may have a role in the differentiation of cortical neurons.

Crown Antibodies; Cardiovascular; Cell Biology; Metabolism; Signal Transduction

Flow Cytometry (FC/FACS), ELISA (EIA), Immunohistochemistry (IHC), Western Blot (WB)

FC~~1:10~50
IHC~~1:10~50
WB~~1:1000

Flow cytometric analysis of HeLa cells using PCSK9 Antibody (N-term) (green) compared to an isotype control of rabbit IgG(blue). MBS9213274 was diluted at 1:25 dilution. An Alexa Fluor 488 goat anti-rabbit lgG at 1:400 dilution was used as the secondary antibody.

Immunohistochemical analysis of paraffin-embedded H. colorectal carcinoma section using PCSK9 Antibody (N-term). MBS9213274 was diluted at 1:25 dilution. A undiluted biotinylated goat polyvalent antibody was used as the secondary, followed by DAB staining.

Flow cytometric analysis of HeLa cells using PCSK9 Antibody (N-term) (green) compared to an isotype control of rabbit IgG(blue). MBS9213274 was diluted at 1:25 dilution. An Alexa Fluor 488 goat anti-rabbit lgG at 1:400 dilution was used as the secondary antibody.

Flow cytometric analysis of A431 cells using PCSK9 Antibody (N-term) (green) compared to an isotype control of rabbit IgG(blue). MBS9213274 was diluted at 1:25 dilution. An Alexa Fluor 488 goat anti-rabbit lgG at 1:400 dilution was used as the secondary antibody.

Western blot analysis of lysate from SW480 cell line, using PCSK9 Antibody (N-term). MBS9213274 was diluted at 1:2000. A goat anti-rabbit IgG H&L(HRP) at 1:10000 dilution was used as the secondary antibody. Lysate at 20ug.

Western blot analysis of lysates from HepG2, Hela, SW480 cell line (from left to right), using PCSK9 Antibody (N-term). MBS9213274 was diluted at 1:1000 at each lane. A goat anti-rabbit IgG H&L(HRP) at 1:10000 dilution was used as the secondary antibody. Lysates at 20ug per lane.

Western blot analysis of lysate from Hela cell line, using PCSK9 Antibody (N-term). MBS9213274 was diluted at 1:1000. A goat anti-rabbit IgG H&L(HRP) at 1:10000 dilution was used as the secondary antibody. Lysate at 20ug.

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proprotein convertase subtilisin/kexin type 9

proprotein convertase subtilisin/kexin type 9

Proprotein convertase subtilisin/kexin type 9

NARC1; NARC-1; PC9??[Similar Products]

PCSK9_HUMAN

This gene encodes a member of the subtilisin-like proprotein convertase family, which includes proteases that process protein and peptide precursors trafficking through regulated or constitutive branches of the secretory pathway. The encoded protein undergoes an autocatalytic processing event with its prosegment in the ER and is constitutively secreted as an inactive protease into the extracellular matrix and trans-Golgi network. It is expressed in liver, intestine and kidney tissues and escorts specific receptors for lysosomal degradation. It plays a role in cholesterol and fatty acid metabolism. Mutations in this gene have been associated with autosomal dominant familial hypercholesterolemia. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2014]

PCSK9: Crucial player in the regulation of plasma cholesterol homeostasis. Binds to low-density lipid receptor family members: low density lipoprotein receptor (LDLR), very low density lipoprotein receptor (VLDLR), apolipoprotein E receptor (LRP1/APOER) and apolipoprotein receptor 2 (LRP8/APOER2), and promotes their degradation in intracellular acidic compartments. Acts via a non-proteolytic mechanism to enhance the degradation of the hepatic LDLR through a clathrin LDLRAP1/ARH-mediated pathway. May prevent the recycling of LDLR from endosomes to the cell surface or direct it to lysosomes for degradation. Can induce ubiquitination of LDLR leading to its subsequent degradation. Inhibits intracellular degradation of APOB via the autophagosome/lysosome pathway in a LDLR-independent manner. Involved in the disposal of non-acetylated intermediates of BACE1 in the early secretory pathway. Inhibits epithelial Na(+) channel (ENaC)-mediated Na(+) absorption by reducing ENaC surface expression primarily by increasing its proteasomal degradation. Regulates neuronal apoptosis via modulation of LRP8/APOER2 levels and related anti-apoptotic signaling pathways. Defects in PCSK9 are the cause of hypercholesterolemia autosomal dominant type 3 (HCHOLA3). A familial condition characterized by elevated circulating cholesterol contained in either low-density lipoproteins alone or also in very-low-density lipoproteins. Belongs to the peptidase S8 family. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: Secreted; Secreted, signal peptide; Protease; EC 3.4.21.-; Cell development/differentiation

Chromosomal Location of Human Ortholog: 1p32.3

Cellular Component: Golgi apparatus; extracellular space; extrinsic to external side of plasma membrane; cell surface; rough endoplasmic reticulum; perinuclear region of cytoplasm; lysosome; endoplasmic reticulum; early endosome; cytoplasm; late endosome; plasma membrane; ER to Golgi transport vesicle

Molecular Function: very-low-density lipoprotein binding; sodium channel inhibitor activity; protein binding; protein self-association; low-density lipoprotein receptor binding; serine-type endopeptidase activity; low-density lipoprotein binding; apolipoprotein binding; apolipoprotein receptor binding

Biological Process: cholesterol metabolic process; lysosomal transport; apoptosis; positive regulation of receptor internalization; lipoprotein metabolic process; regulation of low-density lipoprotein receptor catabolic process; proteolysis; liver development; cellular response to starvation; neuron differentiation; protein autoprocessing; cholesterol homeostasis; triacylglycerol metabolic process; neurogenesis; cellular response to insulin stimulus; phospholipid metabolic process; positive regulation of neuron apoptosis; regulation of neuron apoptosis; negative regulation of receptor recycling; low-density lipoprotein receptor catabolic process; regulation of receptor activity; kidney development

Disease: Hypercholesterolemia, Autosomal Dominant, 3

Abifadel,M., Rabes,J.P. Hum. Mutat. 30 (7), E682-E691 (2009)
McNutt,M.C., Kwon,H.J. J. Biol. Chem. 284 (16), 10561-10570 (2009)
Shioji,K., Mannami,T. J. Hum. Genet. 49 (2), 109-114 (2004)
Abifadel,M., Varret,M. Nat. Genet. 34 (2), 154-156 (2003)

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