Date published: 2026-10-20

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p-ERK 1/2 Antibody (pT202/pY204.22A): sc-136521

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Datasheets
  • p-ERK 1/2 Antibody (pT202/pY204.22A) is a mouse monoclonal IgG1 κ, cited in 131 publications, provided at 200 µg/ml
  • raised against a short amino acid sequence containing dually phosphorylated Thr 202 and Tyr 204 of ERK 1 of rat origin
  • recommended for detection of Thr 202 and Tyr 204 dually phosphorylated ERK 1 of human origin, correspondingly Thr 203 and Tyr 205 dually phosphorylated ERK 1 of mouse and rat origin; and Thr 185 and Tyr 187 dually phosphorylated ERK 2 of human origin, correspondingly Thr 183 and Tyr 185 dually phosphorylated ERK 2 of mouse and rat origin by WB, IF and IHC(P)
  • available conjugated to agarose for IP; and to HRP for WB, IHC(P) and ELISA
  • m-IgGκ BP-HRP is the preferred secondary detection reagent for p-ERK 1/2 Antibody (pT202/pY204.22A) for WB and IHC(P) applications. This reagent is now offered in a bundle with p-ERK 1/2 Antibody (pT202/pY204.22A) (see ordering information below). For additional m-IgGκ BP conjugates see our complete list of Mouse IgG Binding Proteins.
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p-ERK 1/2 Antibody (pT202/pY204.22A) is a mouse monoclonal IgG1 kappa light chain antibody that detects p-ERK 1/2 in mouse, rat, and human samples through applications such as western blotting (WB), immunofluorescence (IF), and immunohistochemistry with paraffin-embedded sections (IHCP). p-ERK 1/2 monoclonal antibody (pT202/pY204.22A) is available in both conjugated and non-conjugated forms, providing flexibility for various experimental needs. ERK 1 and ERK 2 play a crucial role in mediating signal transduction pathways activated by growth factors, hormones, and neurotransmitters, which are essential for cellular responses such as proliferation, differentiation, and survival. These proteins are located primarily in the cytoplasm but can translocate to the nucleus upon activation, where they influence gene expression. Dual phosphorylation of ERK 1 and ERK 2 at specific threonine and tyrosine residues is vital for activation, leading to conformational changes that allow phosphorylation of downstream targets. A characteristic Thr-Glu-Tyr motif maintains structural integrity of ERK proteins, and activation is tightly regulated by upstream kinases, including MAP kinase kinase (MEK) and Raf-1. Understanding p-ERK 1/2 dynamics is critical for elucidating mechanisms of various signaling pathways and their implications in diseases such as cancer, where aberrant MAPK signaling is often observed. anti-p-ERK 1/2 antibody (pT202/pY204.22A) provides a robust tool for examining dual phosphorylation of ERK 1/2 at Thr 202 and Tyr 204, a critical event that drives activation and downstream effects within the MAPK signaling pathway.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

p-ERK 1/2 Antibody (pT202/pY204.22A) References:

  1. The regulation of ERK and p-ERK expression by cisplatin and sorafenib in gastric cancer cells.  |  Tao, C., et al. 2014. Gene. 552: 106-15. PMID: 25219752
  2. Activation of the SphK1/ERK/p-ERK pathway promotes autophagy in colon cancer cells.  |  Xu, C., et al. 2018. Oncol Lett. 15: 9719-9724. PMID: 29928348
  3. Ambroxol attenuates cisplatin-induced hepatotoxicity and nephrotoxicity via inhibition of p-JNK/p-ERK.  |  Bishr, A., et al. 2019. Can J Physiol Pharmacol. 97: 55-64. PMID: 30383980
  4. P-AKT2/SPK1 (P-SPK1) and P-MEK/P-ERK cell signaling pathways are involved in LPS-induced macrophage migration.  |  Lei, Y., et al. 2019. Am J Transl Res. 11: 2725-2741. PMID: 31217849
  5. IL-6/p-BTK/p-ERK signaling mediates calcium phosphate-induced pruritus.  |  Keshari, S., et al. 2019. FASEB J. 33: 12036-12046. PMID: 31365830
  6. Diabetes Mellitus Promotes Smooth Muscle Cell Proliferation in Mouse Ureteral Tissue through the P-ERK/P-JNK/VEGF/PKC Signaling Pathway.  |  Choi, T., et al. 2021. Medicina (Kaunas). 57: PMID: 34206139
  7. Correlation between urinary KIM-1 and kidney protein expression of p-ERK following damage in rats exposed to gentamicin or lead acetate.  |  Ruiz-Ramirez, C., et al. 2021. J Biochem Mol Toxicol. 35: e22875. PMID: 34350654
  8. p-mTOR, p-ERK and PTEN Expression in Tumor Biopsies and Organoids as Predictive Biomarkers for Patients with HPV Negative Head and Neck Cancer.  |  de Kort, WWB., et al. 2023. Head Neck Pathol. 17: 697-707. PMID: 37486536
  9. PAK4 inhibition significantly potentiates Gemcitabine activity in PDAC cells via inhibition of Wnt/β-catenin, p-ERK/MAPK and p-AKT/PI3K pathways.  |  Samant, C., et al. 2023. Biochem Biophys Rep. 35: 101544. PMID: 37720313
  10. BRAFV600E/p-ERK/p-DRP1(Ser616) Promotes Tumor Progression and Reprogramming of Glucose Metabolism in Papillary Thyroid Cancer.  |  Wen, SS., et al. 2024. Thyroid. 34: 1246-1259. PMID: 39162997

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

p-ERK 1/2 Antibody (pT202/pY204.22A)

sc-136521
200 µg/ml
$322.00

p-ERK 1/2 Antibody (pT202/pY204.22A): m-IgGκ BP-HRP Bundle

sc-552274
200 µg Ab; 40 µg BP
$361.00

p-ERK 1/2 Antibody (pT202/pY204.22A) AC

sc-136521 AC
500 µg/ml, 25% agarose
$424.00

p-ERK 1/2 Antibody (pT202/pY204.22A) HRP

sc-136521 HRP
200 µg/ml
$322.00

How specific is this antibody? Are there any verification instructions for antibody specificity? Such as knock-out verification.

Asked by: WinnieCh
Thank you for your inquiry. We tested this antibody on formalin fixed, paraffin-embedded human cerebral cortex tissue by IHC, the result can be found on our website. There are also more than 100 citations for this antibody. However, we didn't run knock-out verification to verify the antibody's specificity.
Answered by: Technical Service SH
Date published: 2022-10-12

How many amino acids in length is the antigen phosphopeptide of this antibody?

Asked by: tarotaro27
Thank you for your inquiry. This antibody is raised against a short amino acid sequence containing dually phosphorylated Thr 202 and Tyr 204 of ERK 1 of rat origin. Unfortunately we do not known the exactly amino acids sequence of the antigen. Please contact Technical Service by phone, (800)-457-3801 option 2, email <asia@scbio.cn>, or by live chat directly on our website, www.scbt.com if you have any further questions.
Answered by: Sen Li
Date published: 2021-11-23

What is the complete amino acid sequence of the antigen phosphopeptide used as a source of this antibody?

Asked by: tarotaro27
Thank you for your inquiry. This antibody is raised against a short amino acid sequence containing dually phosphorylated Thr 202 and Tyr 204 of ERK 1 of rat origin.
Answered by: Sen Li
Date published: 2021-11-16

Can this antibody be used for IHC or IF on mouse tissue samples?

Asked by: Anna99
Unfortunately this antibody is not available directly conjugated for this type of application. See p-ERK (E-4): sc-7383 for p-ERK 1/2 antibody conjugates, including AC, HRP, FITC, PE, Alexa Fluor® 488 and Alexa Fluor® 647.
Answered by: Technical Support 7
Date published: 2017-01-12

What is the best secondary to use with this mouse monoclonal p-ERK 1/2 Antibody?

Asked by: Anna99
Instead of a traditional secondary antibody, we recommend using our Mouse IgG kappa Binding Protein HRP, sc-516102. A complete list of available binding proteins is available on our website here: https://www.scbt.com/scbt/browse/support-products-mouse-igg-binding-proteins/_/N-ecrety
Answered by: Technical Support 7
Date published: 2017-01-12
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Rated 4 out of 5 by Sing from p-ERK 1/2 Antibody (pT202/pY204.22A)I used p-ERK 1/2 Antibody (pT202/pY204.22A)(sc-136521) for Western Blot analysis of human protein smaple. The reults are very good.
Date published: 2020-08-10
Rated 5 out of 5 by Bubi Lina from Very satisfiedOrdered 3 weeks ago. In my hands, the antibody gives very good signal in 1:1500 dilution (WB).
Date published: 2019-11-16
Rated 5 out of 5 by Youli from Work great on human samplesOne specific band on Western blot with human samples.
Date published: 2019-07-23
Rated 4 out of 5 by erik from western blotWe detected the expression of pErk1/2 in hepatocellular cancer cells, and got a good results. (1:300-400)
Date published: 2019-03-05
Rated 5 out of 5 by Mimmuz from Tres bon signale specifique !J'ai testé un échantillons gratuit en WB et il marche très bien.
Date published: 2017-11-28
Rated 1 out of 5 by MSimonneau from Pas de signal détecté dans nos conditions.J'ai testé une première fois cet anticorps (membrane PVDF, dilution AC primaire 1/1000e) mais nous n'avons détecté aucun signal. Nous allons recommencer, en utilisant une membrane de nitrocellulose cette fois ci et en augmentant la concentration de l'anticorps (1/500e).
Date published: 2017-10-17
Rated 4 out of 5 by Dunpeng from negativeI have tried many times , and it is still negative results.
Date published: 2017-10-05
Rated 4 out of 5 by Jin 0911 from good antibody with brain tissueI got a free sample of this antibody to test in brain tissue with regular IHC protocol, and it worked very well.
Date published: 2017-10-04
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p-ERK 1/2 Antibody (pT202/pY204.22A) is rated 4.3 out of 5 by 31.
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