ERK1 Antibody


Western Blot: ERK1 Antibody [NBP1-78031] - Detection of ERK1 in whole cell lysates prepared from mouse brain (left), mouse kidney (center) and mouse intestine (right).

Product Details

Reactivity HuSpecies Glossary
Applications WB, ELISA, IP

Order Details

ERK1 Antibody Summary

This affinity purified antibody was prepared from whole rabbit serum produced by repeated immunizations with a synthetic peptide corresponding to the carboxy terminal end of human p44 MAP Kinase (ERK1) protein.
This antibody is directed against the human p44 MAP Kinase (ERK1) protein. A BLAST analysis was used to suggest cross reactivity with p44 MAP Kinase (ERK1) protein.
Immunogen affinity purified
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  • Western Blot 1:1000-1:2000
  • ELISA 1:2000-1:10000
  • Immunoprecipitation 5 ug/mg
Application Notes
This affinity purified antibody has been tested for use in ELISA, immunoprecipitation and by western blot. Expect a predominant band approximately 44 kDa in size corresponding - p44 MAP Kinase by western blotting in the appropriate cell lysate or extract.

Reactivity Notes

Reactive in human

Packaging, Storage & Formulations

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
0.1M Tris Chloride and 0.5M NaCl, pH 8.0
0.01% Sodium Azide
Immunogen affinity purified

Alternate Names for ERK1 Antibody

  • EC 2.7.11
  • ERK1
  • ERK-1
  • ERK1p44-MAPK
  • ERT2
  • Extracellular signal-regulated kinase 1
  • extracellular signal-related kinase 1
  • HS44KDAP
  • Insulin-stimulated MAP2 kinase
  • MAP kinase 1
  • MAP kinase 3
  • MAP kinase isoform p44
  • MAPK 1
  • MAPK 3
  • MAPK3
  • MGC20180
  • Microtubule-associated protein 2 kinase
  • Mitogen-activated protein kinase 1
  • mitogen-activated protein kinase 3
  • P44ERK1
  • p44-ERK1
  • p44mapk
  • PRKM3


Cell proliferation is regulated in several contexts, for example during development, tissue differentiation, wound healing and immune responses. In mammalian cells, proliferative signals lead to the activation of a protein kinase cascade, resulting in the phosphorylation of two closely related Mitogen-Activated Protein Kinases (MAPK's) ERK1 and ERK2 of 44 kDa and 42 kDa, respectively. When activated, ERK's form dimers that translocate to the nucleus where they phosphorylate several classes of transcription factors which are involved in the up-regulation of immediate early genes. As such, ERK1 and ERK2 represent a paradigm for a growing family of proline-directed protein kinases that mediate entry, progression and exit from the cell cycle in diverse eukaryotic cells. These enzymes function within highly conserved cascade of sequentially activating protein kinases that transduce signals from diverse extracellular stimuli. Alternative splice transcript variants encoding different protein isoforms have been described. ERK1 and ERK2 are phosphorylated within the activation loop on both a Threonine and a Tyrosine residue (within a Thr-Glu-Tyr motif) by MEKs (MAPK/ERK kinases), thereby greatly elevating the activity of ERK1&2.


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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Secondary Antibodies


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Blogs on ERK1.

The role of c-Fos in the regulation of the JC virus gene transcription
c-Fos is a member of the AP-1 transcription factor family under the Fos protein family umbrella, alongside Fra-1, Fra-2 and Fos-B.  Also in the AP-1 transcription family are the Jun proteins, c-Jun, Jun-B and Jun-D.  Each member of the AP-1 transcri...  Read full blog post.

The effects of curcumin on IKB Alpha and the NFkB signaling pathway
The IKK complex, or inhibitor of NFkB kinase, is composed of IKK alpha and IKK beta.  These kinases are at the core of the NFkB signaling cascade.  The NFkB family is made up of transcription factors that are kept inactive in the cytoplasm through...  Read full blog post.

MAPK3/ERK1 - A signal transduction pathway with roles in development and disease
Mitogen-activated protein kinases (MAPKs) are important signaling proteins needed to transmit and relay extracellular stimuli and to illicit intracellular responses (1). The MAPK family of proteins are serine/threonine kinases that are able to phos...  Read full blog post.

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Gene Symbol MAPK3