Active Recombinant Human PCSK9 Protein, His & Avi-tagged, Biotinylated

• Cat.No.: PCSK9-352H
• Product Overview: Recombinant Human PCSK9 Protein, His & Avi-tagged, Biotinylated is expressed from human HEK293 cells. It contains AA Gln 31 - Gln 692 (Accession # AAI66619). Predicted N-terminus: Gln 31. This protein carries an Avi tag at the C-terminus, followed by a polyhistidine tag. The protein has a calculated MW of 72.0 kDa. The protein migrates as 20 kDa and 66 kDa on a SDS-PAGE gel under reducing (R) condition due to glycosylation and proteolytic digestion. The biotin to protein ratio is 0.5-1 as determined by the HABA assay.

Specification

• Species: Human
• Source: HEK293
• Tag: Avi&His
• Protein Length: Gln 31 - Gln 692
• Form: Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.
• Bio-activity: Immobilized Human LDL R, His Tag at 10 μg/mL (100 μL/well) can bind Recombinant Human PCSK9 Protein, His & Avi-tagged, Biotinylated with a linear range of 2-31 ng/mL (QC tested).
  Recombinant Human PCSK9 Protein, His & Avi-tagged, Biotinylated can bind anti-Human PCSK9 Mab, Human IgG1 with a linear range of 0.05-1.5 ng/mL. The biotinylated PCSK9 is coated at 1 ug/mL (100 uL/well) on a streptavidin coated plates (Routinely tested).
  Immobilized Human VLDL R, His Tag at 5 μg/mL (100 μL/well) can bind Recombinant Human PCSK9 Protein, His & Avi-tagged, Biotinylated with a linear range of 10-156 ng/mL (Routinely tested).
  FACS analysis shows that Biotinylated Human PCSK9, His Tag (Cat. No. PC9-H82E7) inhibits LDL uptake in HepG2 cells. The EC50 for this effect is 1.502-2.378 μg/mL.
• Molecular Mass: 72.0 kDa
• Endotoxin: Less than 1.0 EU per μg by the LAL method.
• Purity: >92% as determined by reduced SDS-PAGE.
• Notes: Please avoid repeated freeze-thaw cycles.
• Stability: No activity loss is observed after storage at:
  4-8 centigrade for 12 months in lyophilized state;
  -70 centigrade for 3 months under sterile conditions after reconstitution.
• Storage: For long term storage, the product should be stored at lyophilized state at -20 centigrade or lower.
• Reconstitution: It is recommended that sterile water be added to the vial to prepare a stock solution of 0.2 mg/ml. Centrifuge the vial at 4 centigrade before opening to recover the entire contents.

Gene Information

• Gene Name: PCSK9 proprotein convertase subtilisin/kexin type 9 [ Homo sapiens ]
• Official Symbol: PCSK9
• Synonyms: PCSK9; proprotein convertase subtilisin/kexin type 9; FH3; NARC 1; NARC1; NARC-1; HCHOLA3
• Gene ID: 353175
• MIM: 607786
• UniProt ID: Q8NBP7