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F3165

Sigma-Aldrich

Monoclonal ANTI-FLAG® M2 antibody produced in mouse

clone M2, purified immunoglobulin (Purified IgG1 subclass), buffered aqueous solution (10 mM sodium phosphate, 150 mM NaCl, pH 7.4, containing 0.02% sodium azide)

Synonym(s):

Anti-ddddk, Anti-dykddddk

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.32

biological source

mouse

conjugate

unconjugated

antibody form

purified immunoglobulin (Purified IgG1 subclass)

antibody product type

primary antibodies

clone

M2, monoclonal

form

buffered aqueous solution (10 mM sodium phosphate, 150 mM NaCl, pH 7.4, containing 0.02% sodium azide)

purified by

using Protein A

species reactivity

all

concentration

3.8-4.2 mg/mL

technique(s)

western blot: 10 μg/mL (Protein A)

isotype

IgG1

immunogen sequence

DYKDDDDK

shipped in

dry ice

storage temp.

−20°C

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General description

Anti-Flag M2 antibody is used for the detection of Flag fusion proteins. This monoclonal antibody is produced in mouse and recognizes the FLAG sequence at the N-terminus, Met N-terminus, and C-terminus. The antibody is also able to recognize FLAG at an internal site. M2, unlike M1 antibody is not Calcium dependent.
F3165 is affinity purified using Protein A resin, so it contains not only the anti-FLAG M2 antibody but also small amounts of native mouse IgG, increasing its sensitivity in most applications.
Method of purification - Protein A

Immunogen

FLAG; peptide sequence DYKDDDDK

Application

Monoclonal ANTI-FLAG® M2 antibody produced in mouse has been used in:
  • immunoblotting
  • immunoprecipitation
  • immunocytochemistry
  • immunofluorescence
  • ELISA
  • EIA
  • chromatin immunoprecipitation
  • electron microscopy
  • flow cytometry
  • supershift assays

Browse additional application references in our FLAG® Literature portal.

Preparation Note

Dilute the antibody solution from 0.5-10 ug/mL in Tris Buffered Saline, pH 8.0, with 3% nonfat milk

Storage and Stability

Store the undiluted antibody at –20 °C in working aliquots. Repeated freezing and thawing is not recommended.
Note: Overtime, small amounts of purified antibodies can precipitate from solution due to intermolecular hydrophobic interactions. If a precipitate is observed in this product, briefly centrifuge the vial to pellet the precipitate. Withdraw the desired volume of antibody solution from the clear supernatant for use. This should not alter the performance of the purified antibody in Western blot or immunoprecipitation applications.

Legal Information

ANTI-FLAG is a registered trademark of Merck KGaA, Darmstadt, Germany
FLAG is a registered trademark of Merck KGaA, Darmstadt, Germany

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Storage Class Code

12 - Non Combustible Liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Articles

Comparison of elution techniques for small-scale protein purification of FLAG® tag proteins using anti-FLAG® M2 magnetic beads.

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