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ANTI-FLAG® antibody produced in rabbit

affinity isolated antibody, buffered aqueous solution

Anti-ddddk, Anti-dykddddk
Número MDL:

origen biológico


Nivel de calidad




forma del anticuerpo

affinity isolated antibody

antibody product type

primary antibodies




buffered aqueous solution

species reactivity



~0.8 mg/mL


dot blot: 1-2.5 μg/mL
immunoprecipitation (IP): 4-8 μg using amino terminal FLAG-BAP fusion protein from E. coli crude lysate
indirect immunofluorescence: 5-10 μg/mL using 293T cells transfected with a plasmid encoding FLAG-JNK
western blot (chemiluminescent): 1-2.5 μg/mL using an E. coli periplasmic extract expressing an N-terminal FLAG fusion protein



secuencia del inmunógeno


enviado en

dry ice

temp. de almacenamiento


Descripción general

The FLAG epitope, is an eight amino acid protein with an enterokinase-cleavage site.
The rabbit Anti-FLAG polyclonal affinity antibody ANTI-FLAG recognizes the FLAG epitope located on FLAG fusion proteins. This antibody reacts with N-terminal, N-terminal-Met, and C-terminal FLAG fusion proteins.


FLAG; peptide sequence DYKDDDDK


The antibody recognizes the FLAG epitope located on FLAG-tagged fusion proteins at the N-terminus or C-terminus, applying dot blot, immunoblotting, immunoprecipitation and immunocytochemistry assays.
Browse additional application references in our FLAG® Literature portal."

Acciones bioquímicas o fisiológicas

FLAG epitope plays a crucial role in immunoaffinity purification of fusion proteins.

Forma física

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 1% bovine serum albumin and 15 mM sodium azide

Nota de preparación

Purified by affinity chromatography on a column bearing the immunizing peptide.

Información legal

FLAG is a registered trademark of Sigma-Aldrich Co. LLC

Código de clase de almacenamiento

12 - Non Combustible Liquids



Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Certificado de Análisis

Introduzca el número de lote para buscar un certificado de análisis (COA).

Certificado de origen

Introduzca el número de lote para buscar un Certificado de origen (COO).

  1. Is Product F7425, ANTI-FLAG® from rabbit, a monoclonal or polyclonal?

    F7425 is a polyclonal antibody from rabbit.

  2. What is the concentration of Product F7425, ANTI-FLAG® from rabbit?

    The concentration is 0.9 mg protein per ml.

  3. How much Product F7425, ANTI-FLAG® from rabbit, should be used in western blotting and ELISA applications?

    For a Western blot from a PAGE run (preferably) under denaturing conditions, a 1:400 dilution of this antibody should be used.  A 1-10 μg/ml concentration should be used when using thie antibody in an ELISA application.

  4. How to get rid of background when using Product F7465, ANTI-FLAG® from rabbit,?

    To reduce non-specific background on tissue staining, a small amount of Triton X-100 (Product No. X100 or T8787), can be added to the wash buffers and antibody incubation buffers. Try a Triton X-100 concentration of 0.1% to start. Tween 20 (Product No. P5927) can also be used.

  5. Is there any references for the use of Product F7465, ANTI-FLAG® from rabbit, in immunohistochemistry or western blotting?

    K. Schafer and T. Braun, Monoclonal Anti-FLAG Antibodies React with a New Isoform of Rat Mg++ Dependent Protein Phosphatase. Biochemical and Biophysical Research Communications, 207, 708.

  6. What are the positive controls that can be used with Product F7425, ANTI-FLAG® from rabbit?

    The positive controls that can be used are as follows:Amino-terminal FLAG-BAP fusion protein, Product No. P7582Carboxy-terminal FLAG-BAP fusion protein, Product No. P7457Amino-terminal Met-FLAG-BAP fusion protein, Product No. P5975.

  7. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  8. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  9. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  10. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  11. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Ryota Sato et al.
Frontiers in microbiology, 10, 1857-1857 (2019-08-29)
The envelope proteins of influenza A virus, hemagglutinin (HA) and neuraminidase (NA), play critical roles in viral entry to host cells and release from the cells, respectively. After protein synthesis, they are transported from the trans-Golgi network (TGN) to the
Makoto Miyazawa et al.
The Journal of biological chemistry, 286(22), 19191-19203 (2011-04-12)
The molecular chaperone prefoldin (PFD) is a complex comprised of six different subunits, PFD1-PFD6, and delivers newly synthesized unfolded proteins to cytosolic chaperonin TRiC/CCT to facilitate the folding of proteins. PFD subunits also have functions different from the function of
Martin S Taylor et al.
The Journal of biological chemistry, 288(45), 32211-32228 (2013-09-21)
Ghrelin O-acyltransferase (GOAT) is a polytopic integral membrane protein required for activation of ghrelin, a secreted metabolism-regulating peptide hormone. Although GOAT is a potential therapeutic target for the treatment of obesity and diabetes and plays a key role in other
Ecco Staller et al.
Journal of virology, 93(17) (2019-06-21)
ANP32 proteins have been implicated in supporting influenza virus replication, but most of the work to date has focused on the ability of avian Anp32 proteins to overcome restriction of avian influenza polymerases in human cells. Using a CRISPR approach
David Asante et al.
Journal of cell science, 126(Pt 22), 5189-5197 (2013-09-21)
The correct formation of primary cilia is central to the development and function of nearly all cells and tissues. Cilia grow from the mother centriole by extension of a microtubule core, the axoneme, which is then surrounded with a specialized

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