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PCSK9 (D374T), Biotin-labeled, HiP™ Recombinant

Recombinant human PCSK9 (Proprotein convertase subtilisin/kexin type 9), encompassing amino acids 31-692 (end) . The protein contains mutation of interest D374T, and a C-terminal His-tag (6xHis) followed by an Avi-Tag™. The recombinant protein was enzymatically biotinylated using the Avi-Tag™ and affinity purified.HiP™indicates a high purity protein (≥90% pure) and less than 10% aggregation as measured by gel filtration.

Product Specifications

Background

PCSK9 is a crucial player in the regulation of plasma cholesterol homeostasis. It binds to the ectodomain of hepatic 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. PCSK9 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. The D374T mutation results in higher affinity of PCSK9 for LDLR.

UniProt

Q8NBP7

Tag

C-terminal His, Avi-tags

Label

This protein is enzymatically biotinylated using Avi-Tag™ technology. Biotinylation confirmed to be ≥90%.For more information on enzymatic biotinylation, please see ourTech Note.

Applications

Useful for the study of enzyme kinetics, screening inhibitors, and selectivity profiling.

Purity

≥ 90%

Format

Aqueous buffer solution

Shipping Conditions

-80°C

Storage Conditions

At least 6 months at –80°C.

Calculated Molecular Weight

Pro: 14 kDa + glycans; Mature: 60 kDa + glycans

Formulation

40 mM Tris-HCl, pH 8.0,110 mM NaCl, 2.2 mM KCl, and 20% glycerol

Aggregation

< 10%

Glycosylation

This protein runs at a higher MW by SDS-PAGE due to glycosylation.

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