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Key Documents

A6979

Sigma-Aldrich

Anti-AtMPK4 antibody produced in rabbit

affinity isolated antibody, liquid

Synonym(s):

Anti-Arabidopsis thaliana MPK4

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.44

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

grade

for molecular biology

clone

polyclonal

form

liquid

mol wt

antigen 43 kDa

species reactivity

Arabidopsis thaliana

technique(s)

western blot: 0.5-1 μg/mL using extract (cytosolic fraction) of Arabidopsis thaliana and Nicotiana tabacum leaves

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

Arabidopsis thaliana ... ATMPK4(828151)

General description

Anti-AtMPK4 is produced in rabbit using as immunogen a synthetic peptide corresponding to the C-terminus of Arabidopsis thaliana MPK4 (Anti- mitogen-activated protein kinase-4), conjugated to KLH. In Arabidopsis thaliana, 20 genes (MPKs) encode putative plant MAPKs, which can be grouped into four or five classes according to sequence similarity. All plant mitogen-activated protein kinase (MAPKs) are classified into the plant extracellular-regulated kinase (PERK) subfamily.
Mitogen-activated protein kinase-4 (MPK4) is expressed in the nucleus. In pre-mitotic and interphase cells, it is found in the cytoplasm.

Immunogen

synthetic peptide corresponding to the C-terminus of Arabidopsis thaliana MPK4 (amino acids 365-376). This sequence is specific to AtMPK4 (not found in the other 20 known AtMPK isoforms). It shares limited homology (50-60% identity, continuous epitope) to the AtMPK5 and AtMPK12 isoforms.

Application

Anti- mitogen-activated protein kinase-4 (AtMPK4) antibody produced in rabbit has been used for Western blotting.
Anti-AtMPK4 antibody has been used in
  • immunoblotting
  • immunoprecipitation
  • co-immunoprecipitation
  • western blotting

Biochem/physiol Actions

In Arabidopsis thaliana putative functions have been assigned to AtMPK3, AtMPK4, and AtMPK6, and all three mitogen-activated protein kinase (MAPKs) have been linked to diverse stress responses, including oxidative stress signaling, pathogen defense, drought, high salt, cold, and touch. Arabidopsis MAPKs, Anti- mitogen-activated protein kinase-3 (AtMPK3), Anti- mitogen-activated protein kinase-4 (AtMPK4), and Anti- mitogen-activated protein kinase-6 (AtMPK6) are rapidly and transiently activated by stress responses, by activation of distinct signal transduction pathways, involving upstream MAPKKKs (e.g. AtANP1 and AtMEKK1) and MAPKKs including AtMKK1/2 and AtMKK4/5.
Mitogen-activated protein kinase-4 (MPK4) negatively modulates systemic-acquired resistance. It functions as a regulator of retrograde signaling for photosynthesis, growth and immune defenses. It also has a role in cytokinesis and microtubule organization.

Physical form

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

Disclaimer

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.

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Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Yingzhong Li et al.
PLoS pathogens, 6(9), e1001111-e1001111 (2010-09-24)
Plant defense responses need to be tightly regulated to prevent auto-immunity, which is detrimental to growth and development. To identify negative regulators of Resistance (R) protein-mediated resistance, we screened for mutants with constitutive defense responses in the npr1-1 background. Map-based
SRFR1 negatively regulates plant NB-LRR resistance protein accumulation to prevent autoimmunity
Li Y, et al.
PLoS Pathogens, 6(9), e1001111-e1001111 (2010)
MYB75 Phosphorylation by MPK4 Is Required for Light-Induced
Anthocyanin Accumulation in Arabidopsis
Shengnan Li
Plant Cell (2016)
Mitogen-activated protein kinase 4 is involved in the regulation of mitotic and cytokinetic microtubule transitions in Arabidopsis thaliana
Martina Beck
The New phytologist (2010)
A Mitogen-Activated Protein Kinase Signals to Programmed Cell Death Induced by Self-Incompatibility in Papaver Pollen
Shutian Li
Plant Physiology (2007)

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