Date published: 2026-10-17

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Chk1 Antibody (2G11D5): sc-56288

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Datasheets
  • Chk1 Antibody (2G11D5) is a mouse monoclonal IgG1 κ, cited in 10 publications, provided at 200 µg/ml
  • raised against Ni-NTA purified recombinant Chk1 of human origin
  • recommended for detection of Chk1 of mouse, rat and human origin by WB and IP
  • See Chk1 (G-4): sc-8408 for Chk1 antibody conjugates, including AC, HRP, FITC, PE, Alexa Fluor® 488, 594, 647, 680 and 790.
  • m-IgG Fc BP-HRP is the preferred secondary detection reagent for Chk1 Antibody (2G11D5) for WB applications. This reagent is now offered in a bundle with Chk1 Antibody (2G11D5) (see ordering information below).
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Chk1 Antibody (2G11D5) is a mouse monoclonal IgG1 antibody that detects Chk1 in mouse, rat, and human samples through applications such as western blotting (WB) and immunoprecipitation (IP). Chk1 plays a critical role in maintaining genomic stability by acting as a key regulator in the G2 DNA damage checkpoint, where Chk1 phosphorylates Cdc25C in response to DNA damage. This phosphorylation event inhibits Cdc25C activity, effectively blocking the transition into mitosis and allowing the cell time to repair DNA damage before division. Chk1 dysfunction can lead to unchecked cell division and contribute to tumorigenesis. Chk1 has been shown to interact with various proteins involved in cell cycle regulation, including Wee1, further underscoring Chk1′s pivotal role in orchestrating the cellular response to DNA damage. Anti-Chk1 antibody (2G11D5) serves as an invaluable tool for researchers studying cancer biology and therapeutic interventions.

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

Chk1 Antibody (2G11D5) References:

  1. The roles of Chk 1 and Chk 2 in hypoxia and reoxygenation.  |  Hammond, EM., et al. 2006. Cancer Lett. 238: 161-7. PMID: 16085356
  2. Unleashing Chk1 in cancer therapy.  |  Carrassa, L. and Damia, G. 2011. Cell Cycle. 10: 2121-8. PMID: 21610326
  3. Novel insights into Chk1 regulation by phosphorylation.  |  Goto, H., et al. 2015. Cell Struct Funct. 40: 43-50. PMID: 25748360
  4. Targeting the ATR-CHK1 Axis in Cancer Therapy.  |  Rundle, S., et al. 2017. Cancers (Basel). 9: PMID: 28448462
  5. Therapeutic potential of investigational CHK-1 inhibitors for the treatment of solid tumors.  |  Babiker, HM., et al. 2017. Expert Opin Investig Drugs. 26: 1063-1072. PMID: 28745064
  6. TRIM21 suppresses CHK1 activation by preferentially targeting CLASPIN for K63-linked ubiquitination.  |  Zhu, X., et al. 2022. Nucleic Acids Res. 50: 1517-1530. PMID: 35048968
  7. Histone H3 serine-57 is a CHK1 substrate whose phosphorylation affects DNA repair.  |  Parisis, N., et al. 2023. Nat Commun. 14: 5104. PMID: 37607906
  8. BRD7 suppresses tumor chemosensitivity to CHK1 inhibitors by inhibiting USP1-mediated deubiquitination of CHK1.  |  Li, L., et al. 2023. Cell Death Discov. 9: 313. PMID: 37626049
  9. New horizons in lung cancer management through ATR/CHK1 pathway modulation.  |  Thapa, R., et al. 2023. Future Med Chem. 15: 1807-1818. PMID: 37877252
  10. Combined inhibition of Wee1 and Chk1 as a therapeutic strategy in multiple myeloma.  |  Bruyer, A., et al. 2023. Front Oncol. 13: 1271847. PMID: 38125947

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Chk1 Antibody (2G11D5)

sc-56288
200 µg/ml
$322.00

Chk1 Antibody (2G11D5): m-IgG Fc BP-HRP Bundle

sc-551939
200 µg Ab; 10 µg BP
$361.00

Are there any issues with using sc-56288: Chk1 (2G11D5) mouse monoclonal primary antibody on mouse samples?

Asked by: Germaine
Thank you for your inquiry. The use of mouse monoclonal antibodies with mouse samples is very common and typically poses no problem. To eliminate any potential cross-reactivity of an anti-mouse secondary detection reagent,we recommend using a directly conjugated primary antibody. Please contact our special orders department for pricing and availability of sc-56288 conjugates.
Answered by: Technical Support
Date published: 2017-03-07
  • y_2026, m_10, d_16, h_11CST
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Rated 5 out of 5 by FL from Robust signal in WB in NIH/3T3 and HeLa wholeRobust signal in WB in NIH/3T3 and HeLa whole cell lysates under reducing and non-reducing conditions. -SCBT QC
Date published: 2015-04-10
Rated 5 out of 5 by LR from Strong band in WB in HeLaStrong band in WB in HeLa, K-562 and NIH/3T3 whole cell lysates. -SCBT QC
Date published: 2015-02-18
Rated 5 out of 5 by QZ from Positive signal in WB in 293T mouse transfectedPositive signal in WB in 293T mouse transfected and K-562 whole cell lysates. -SCBT QC
Date published: 2015-02-05
Rated 5 out of 5 by HF from Good publishable data in WB in human lymphoblastoidGood publishable data in WB in human lymphoblastoid cells, fibroblasts. -SCBT Publication Review
Date published: 2013-04-03
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Chk1 Antibody (2G11D5) is rated 5.0 out of 5 by 4.
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