DYKDDDDK Epitope Tag Antibody [HRP]



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DYKDDDDK Epitope Tag Antibody [HRP] Summary

This antibody was purified from whole rabbit serum prepared by repeated immunizations with the Enterokinase Cleavage Site (ECS) peptide DYKDDDDK (Asp-Tyr-Lys-Asp-Asp-Asp-Asp-Lys) conjugated to KLH using maleimide. Residues of glycine and cysteine were ad

Each kit contains one unit of the following products: (100 ug)Anti-6X HIS EPITOPE TAG (RABBIT) Antibody (250 ug) Antibody for the detection of FLAG conjugated proteins (RABBIT) Antibody (100 ug)
Immunogen affinity purified
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Packaging, Storage & Formulations

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
0.02 M Potassium Phosphate (pH 7.2), and 0.15 M NaCl
0.01% Gentamicin Sulfate
LYOPH mg/ml
Immunogen affinity purified
Reconstitution Instructions
Reconstitute with 0.1 ml deionized water to a final concentration of 1.0 mg/ml.


Application Notes
This antibody is optimally suited for monitoring the expression of FLAG tagged fusion proteins. As such, this antibody can be used - identify fusion proteins containing the FLAG epitope. The antibody recognizes the epitope tag fused - the amino- and carboxy- termini of targeted proteins. This antibody has been tested by ELISA and western blotting against both the immunizing peptide and FLAG containing recombinant proteins. Although not tested, this antibody is likely functional for immunoprecipitation and immunocytochemistry, and other immunodetection techniques. The epitope tag peptide sequence was first derived from the 11-amino-acid leader peptide of the gene-10 product from bacteriophage T7. Now the most commonly used hydrophilic octapeptide is DYKDDDDK.


Stabilizer: 10 mg/ml Bovine Serum Albumin (BSA)-Immunoglobulin and Protease free
Color: Substrate dependent
Conjugation Chemistry: Periodate


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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FAQs for DYKDDDDK Epitope Tag Antibody (NBP1-97402). (Showing 1 - 5 of 5 FAQ).

  1. Are the FLAG Tag antibodies validated in Simple Western?
    • Yes, we offer a 2 FLAG Tag antibodies that have been tested in Simple Western: NB600-345 and NBP1-71705.
  2. Does FLAG Tag antibodies comes in lyophilized form?
    • The following FLAG Tag antibodies come in lyophilized form: NBP1-97401, NBP1-97399, NBP1-97400, NBP1-97402.
  3. What the theoretical molecular weight for FLAG Tag antibodies?
    • The TMW of FLAG Tag antibodies is approximately 150 kDa.
  4. Will FLAG Tag antibodies detect internal FLAG tags? My FLAG sequence is sandwiched between two other protein sequences.
    • If you are applying your sample(s) to SDS-PAGE, under reducing condition and follow by Western Blot, DYKDDDDK epitope tag antibodies should be able to detect the tag region located internally. However, it depends on the property of your chimeric protein and if your tag is in the hydrophobic or hydrophilic region. Although DYKDDDDK is very hydrophilic, it may not be exposed to the surface if embedded deeply inside the protein with a high content of hydrophobic amino acids with or without covalently-linked modifications such as lipid moieties.
  5. Will FLAG Tag antibodies recognizes FLAG at the C-terminal end?
    • Yes, FLAG Tag antibodies can recognize FLAG-tag at both the N- or C-terminal.

Additional DYKDDDDK Epitope Tag Antibody [HRP] Products

DYKDDDDK Epitope Tag NBP1-97402

Blogs on DYKDDDDK Epitope Tag.

Hoist the DYKDDDDK Epitope Tag
The DYKDDDDK Epitope Tag antibody was raised against a short, artificial sequence that is widely and commonly used as a protein fusion tag. It is pervasively present in a vast amount of scientific studies, and is a very powerful investigative research...  Read full blog post.

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