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M8318 Sigma-Aldrich

Anti-AtMPK3 antibody produced in rabbit

affinity isolated antibody, buffered aqueous solution

Synonym: Anti-Arabidopsis thaliana MAP Kinase 3



Related Categories ATH-AZ, Alphabetical Index, Antibodies, Antibodies for Cell Biology, Antibodies for Kinase/Phosphatase Biology,
species reactivity   Arabidopsis thaliana
application(s)   western blot: 1-2 μg/mL using extract (cytosolic fraction) of Arabidopsis thaliana leaves
  western blot: 2-4 μg/mL using extract (cytosolic fraction) of Nicotiana tabacum leaves
clone   polyclonal
antibody form   affinity isolated antibody
form   buffered aqueous solution
mol wt   antigen mol wt 43 kDa
shipped in   dry ice
storage temp.   −20°C
Gene Information   Arabidopsis thaliana ... ATMPK3(823706)
biological source   rabbit
antibody product type   primary antibodies
conjugate   unconjugated



synthetic peptide corresponding to amino acids 359-370 at the C-terminus of Arabidopsis thaliana MPK3. This sequence is specific to AtMPK3 (not found in the other 20 known AtMPK isoforms). It has limited homology (58% identity) to the AtMPK6 isoform and shares significant homology (67% identity, continuous epitope) with the Nicotiana tabacum ortholog WIPK.

General description

AtMPK3 is a component of the plant MAPK signaling cascade that functions downstream of the FLS2 receptor and regulates the innate response to bacterial and fungal infections. AtMPK3 is also involved in the phosphorylation of VIP1 in response to Agrobacterium infection and the subsequent transfer of the bacterial T-DNA into the nucleus. RNAi mediated inhibition of AtMPK6 causes prolonged activation of AtMPK3 . Anti-AtMPK3 antibody is specific for AtMPK3 (43 kDa). The product also reacts with Nicotiana tabacum and p56 in Papaver rhoeas . In immunoblotting, staining of AtMPK3 is specifically inhibited with AtMPK3 immunizing peptide (Arabidopsis thaliana, amino acids 359-370).

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.


Anti-AtMPK3 antibody is suitable for use in western blot (1:1000 using pollen extracts of Papaver rhoeas)


Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Safety & Documentation

Safety Information

RIDADR  NONH for all modes of transport
WGK Germany  2
Protocols & Articles


Antibody Basics

Immunoglobulins (Igs) are produced by B lymphocytes and secreted into plasma. The Ig molecule in monomeric form is a glycoprotein with a molecular weight of approximately 150 kDa that is shaped more ...
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Western Blot Protocol | Immunoblotting Protocol

Western Blotting refers to the electrophoretic transfer of proteins from sodium dodecyl sulfate polyacrylamide gels to sheets of PVDF or nitrocellullose membrane, followed by immunodetection of prote...
Keywords: AGE, Buffers, Cell disruption, Detergents, Dialysis, Electroblotting, Electrophoresis, Enzyme activity, Gel electrophoresis, Immunoprecipitation, PAGE, Protein extraction, Purification, Sample preparations, Western blot

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