Date published: 2026-6-6

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NUAK1/ARK5 Antibody (B-4): sc-271828

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Datasheets
  • NUAK1/ARK5 Antibody (B-4) is a mouse monoclonal IgG2a κ, cited in 1 publications, provided at 200 µg/ml
  • raised against amino acids 526-661 mapping at the C-terminus of NUAK1 of human origin
  • NUAK1/ARK5 Antibody (B-4) is recommended for detection of NUAK1 by WB, IP, IF and ELISA
  • Anti-NUAK1/ARK5 Antibody (B-4) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP and m-IgG2a BP-HRP are the preferred secondary detection reagents for NUAK1/ARK5 Antibody (B-4) for WB applications. These reagents are now offered in bundles with NUAK1/ARK5 Antibody (B-4) (see ordering information below).
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NUAK1 Antibody (B-4) is a mouse monoclonal IgG2a antibody that detects NUAK1 in mouse, rat, and human samples through applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). NUAK1, also known as omphk1 (omphalocele kinase 1), is a 658 amino acid protein located in both the nucleus and cytoplasm, belonging to the CAMK Ser/Thr protein kinase family and the SNF1 subfamily. anti-NUAK1 antibody (B-4) plays a crucial role in studying various cellular processes, including cell adhesion, regulation of cell ploidy and senescence, as well as cell proliferation and tumor progression. NUAK1′s cellular location enables interactions with key signaling pathways that govern these processes, making NUAK1 essential for maintaining cellular homeostasis and responding to stress signals. Notably, NUAK1 phosphorylates several critical proteins, including Atm, caspase-6, LATS1, MYPT1, and p53, which are involved in DNA damage response and apoptosis. NUAK1 expression in the developing central nervous system and epidermis highlights NUAK1′s significance in developmental biology, while homozygous Nauk1 mutants exhibit omphalocele, a serious condition resulting from improper closure of the body wall, underscoring NUAK1′s vital role in embryonic development. With diverse functions and critical interactions, NUAK1 (B-4) antibody serves as an invaluable tool for researchers investigating the molecular mechanisms underlying cell growth, differentiation, and disease.

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

NUAK1/ARK5 Antibody (B-4) References:

  1. NUAK1 knockdown suppresses prostate cancer cell epithelial-mesenchymal transition, migration, and invasion through microRNA-30b-5p.  |  Guan, Y., et al. 2018. Int J Clin Exp Pathol. 11: 5694-5704. PMID: 31949655
  2. Suppressing the KIF20A/NUAK1/Nrf2/GPX4 signaling pathway induces ferroptosis and enhances the sensitivity of colorectal cancer to oxaliplatin.  |  Yang, C., et al. 2021. Aging (Albany NY). 13: 13515-13534. PMID: 33819186
  3. DKK1 promotes NUAK1 transcriptional expression through the activation Akt in hepatocellular carcinoma.  |  Yao, CY., et al. 2023. Cell Biol Int. 47: 383-393. PMID: 36480792
  4. NUAK1 governs centrosome replication in pancreatic cancer via MYPT1/PP1β and GSK3β-dependent regulation of PLK4.  |  Whyte, D., et al. 2023. Mol Oncol. 17: 1212-1227. PMID: 36975767
  5. NUAK1 promotes tumor metastasis through upregulating slug transcription in esophageal squamous cell carcinoma.  |  Yang, H., et al. 2023. Cancer Cell Int. 23: 258. PMID: 37919754
  6. NUAK1 coordinates growth factor-dependent activation of mTORC2 and Akt signaling.  |  Palma, M., et al. 2023. Cell Biosci. 13: 232. PMID: 38135881
  7. The AMPK-related kinase NUAK1 controls cortical axons branching by locally modulating mitochondrial metabolic functions.  |  Lanfranchi, M., et al. 2024. Nat Commun. 15: 2487. PMID: 38514619
  8. NUAK1 promotes metabolic dysfunction-associated steatohepatitis progression by activating Caspase 6-driven pyroptosis and inflammation.  |  Sheng, M., et al. 2024. Hepatol Commun. 8: PMID: 38967580
  9. NUAK1 activates STAT5/GLI1/SOX2 signaling to enhance cancer cell expansion and drives chemoresistance in gastric cancer.  |  Cao, L., et al. 2024. Cell Rep. 43: 114446. PMID: 38996065
  10. NUAK1-Mediated Phosphorylation of NADK Mitigates ROS Accumulation to Promote Osimertinib Resistance in Non-Small Cell Lung Carcinoma.  |  Lin, W., et al. 2024. Cancer Res. 84: 4081-4098. PMID: 39159134

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

NUAK1/ARK5 Antibody (B-4)

sc-271828
200 µg/ml
$322.00

NUAK1/ARK5 Antibody (B-4): m-IgG Fc BP-HRP Bundle

sc-525828
200 µg Ab; 10 µg BP
$361.00

NUAK1/ARK5 Antibody (B-4): m-IgG2a BP-HRP Bundle

sc-546432
200 µg Ab; 10 µg BP
$361.00

NUAK1/ARK5 Antibody (B-4) AC

sc-271828 AC
500 µg/ml, 25% agarose
$424.00

NUAK1/ARK5 Antibody (B-4) HRP

sc-271828 HRP
200 µg/ml
$322.00

NUAK1/ARK5 Antibody (B-4) FITC

sc-271828 FITC
200 µg/ml
$336.00

NUAK1/ARK5 Antibody (B-4) PE

sc-271828 PE
200 µg/ml
$349.00

NUAK1/ARK5 Antibody (B-4) Alexa Fluor® 488

sc-271828 AF488
200 µg/ml
$364.00

NUAK1/ARK5 Antibody (B-4) Alexa Fluor® 546

sc-271828 AF546
200 µg/ml
$364.00

NUAK1/ARK5 Antibody (B-4) Alexa Fluor® 594

sc-271828 AF594
200 µg/ml
$364.00

NUAK1/ARK5 Antibody (B-4) Alexa Fluor® 647

sc-271828 AF647
200 µg/ml
$364.00

NUAK1/ARK5 Antibody (B-4) Alexa Fluor® 680

sc-271828 AF680
200 µg/ml
$364.00

NUAK1/ARK5 Antibody (B-4) Alexa Fluor® 790

sc-271828 AF790
200 µg/ml
$364.00

Do you have any idea, why the protein runs at 55-60 kDa instead of 75 kDa? Other antibodies here by SC detect the protein at 80-90 kDa. Thank you for you ideas on that!

Asked by: nchatain
Thank you for your question. Observed molecular weight can vary due to post-translational processing and alternative splicing of the protein. While splicing isoforms have only been described based on computational data, there are a number of post-translational modifications such as sumoylation and phosphorylation that may contribute to the protein's molecular weight in western blots.
Answered by: Tech Support Europe
Date published: 2025-09-22

Have you guys tested if this antibody cross reacts with mouse ARK5?

Asked by: TKim
Thank you for your question, Yes this antibody is mouse, rat, and human reactive. -Tech Service
Answered by: Tech Service 1
Date published: 2021-02-04

Hello. I was curious if you could shed some light on why this antibody picks up a 55 kDa piece of ARK5 when it is listed as 74 kDa. Is there a particular processing event that results in this fragment? Thank you for your help!

Asked by: Anna13
Thank you for your question. The Western blot data which you are referring to on our website appears to be inconsistent with the expected observed molecular weight for ARK5 of ~ 74 kDa, as well as with Western blot data using different antibodies against ARK5. As a result, our labs are now reviewing this data and the data will likely be removed and replaced.
Answered by: Technical Support
Date published: 2017-10-06

What is the recommended fixation method for immunofluorescence staining with ARK5 (B-4): sc-271828 monoclonal antibody?

Asked by: TinTin
Thank you for your inquiry. We recommend fixing cells for 5 minutes in -10°C methanol and allowing to air dry. The full protocol can be viewed here: https://www.scbt.com/scbt/resources/protocols/immunofluorescence-cell-staining
Answered by: Technical Support
Date published: 2017-02-28
  • y_2026, m_6, d_5, h_14CST
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Rated 4 out of 5 by from mehrere Proteinbanden bei erwarteten kDa-Bereichim Hirngewebe (Kortex-Lysat) von wildtyp oder transgenen Mäusen mehrere Proteinbanden im erwarteten Molekulargewichtsbereich.
Date published: 2018-01-31
Rated 5 out of 5 by from Great immunofluorescence nuclear and cytoplasmicGreat immunofluorescence nuclear and cytoplasmic staining in formalin-fixed HepG2 cells. -SCBT QC
Date published: 2015-03-10
Rated 5 out of 5 by from Nice Western Blot data of ARK5 expression in SaosNice Western Blot data of ARK5 expression in Saos-2 and A549 whole cell lysates. -SCBT QC
Date published: 2014-09-14
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NUAK1/ARK5 Antibody (B-4) is rated 4.7 out of 5 by 3.
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