Date published: 2025-10-5

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PAC-1 Antibody (4O21): sc-32776

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Datasheets
  • PAC-1 Antibody (4O21) is a mouse monoclonal IgG2a κ PAC-1 antibody, cited in 14 publications, provided at 200 µg/ml
  • raised against recombinant PAC-1 of human origin
  • PAC-1 Antibody (4O21) is recommended for detection of PAC-1 of human origin by WB, IP, IF and IHC(P)
  • Anti-PAC-1 Antibody (4O21) 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 is the preferred secondary detection reagent for PAC-1 Antibody (4O21) for WB and IHC(P) applications. This reagent is now offered in a bundle with PAC-1 Antibody (4O21) (see ordering information below).

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PAC-1 Antibody (4O21) is a mouse monoclonal IgG2a kappa light chain antibody that detects PAC-1 protein of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and immunohistochemistry with paraffin-embedded sections (IHCP). PAC-1 (4O21) antibody is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates, providing versatility for different experimental needs. PAC-1 protein plays a crucial role in regulating mitogen-activated protein (MAP) kinases, which are essential for mediating cellular responses to various stimuli, including growth factors and stress signals. By selectively dephosphorylating critical phosphothreonine and phosphotyrosine residues within MAP kinases, PAC-1 helps maintain cellular homeostasis and prevent aberrant signaling that could lead to pathological conditions. Expression of PAC-1 is induced by various growth factors, highlighting PAC-1′s importance in cellular signaling pathways that govern cell proliferation, differentiation, and survival. Human PAC-1 is located on chromosome 2q11 and encodes a 314 amino acid protein, making PAC-1 a significant player in the intricate network of cellular signaling and a valuable target for research in cancer and other diseases where MAP kinase signaling is dysregulated.

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

PAC-1 Antibody (4O21) References:

  1. Dual specificity phosphatases: a gene family for control of MAP kinase function.  |  Camps, M., et al. 2000. FASEB J. 14: 6-16. PMID: 10627275
  2. Characterization of a variant of PAC-1 in large granular lymphocyte leukemia.  |  Kothapalli, R., et al. 2003. Protein Expr Purif. 32: 52-60. PMID: 14680939
  3. The PAC-1 dual specificity phosphatase predicts poor outcome in serous ovarian carcinoma.  |  Givant-Horwitz, V., et al. 2004. Gynecol Oncol. 93: 517-23. PMID: 15099972
  4. Derivatives of Procaspase-Activating Compound 1 (PAC-1) and their Anticancer Activities.  |  Roth, HS. and Hergenrother, PJ. 2016. Curr Med Chem. 23: 201-41. PMID: 26630918
  5. PAC-1 and its derivative WF-210 Inhibit Angiogenesis by inhibiting VEGF/VEGFR pathway.  |  Wang, F., et al. 2018. Eur J Pharmacol. 821: 29-38. PMID: 29269017
  6. Clinical Significance of PAC-1, CD62P, and Platelet-Leukocyte Aggregates in Acute Ischemic Stroke.  |  Zhang, Y., et al. 2022. Bull Exp Biol Med. 172: 543-548. PMID: 35348954
  7. Phase I study of procaspase-activating compound-1 (PAC-1) in the treatment of advanced malignancies.  |  Danciu, OC., et al. 2023. Br J Cancer. 128: 783-792. PMID: 36470974
  8. The combination of PAC-1 and entrectinib for the treatment of metastatic uveal melanoma.  |  Boudreau, MW., et al. 2023. Melanoma Res. 33: 514-524. PMID: 37738028
  9. An emerging family of dual specificity MAP kinase phosphatases.  |  Keyse, SM. 1995. Biochim Biophys Acta. 1265: 152-60. PMID: 7696343
  10. Activation of the mitogen-activated protein kinase pathway induces transcription of the PAC-1 phosphatase gene.  |  Grumont, RJ., et al. 1996. Mol Cell Biol. 16: 2913-21. PMID: 8649402
  11. Molecular cloning and functional characterization of a novel mitogen-activated protein kinase phosphatase, MKP-4.  |  Muda, M., et al. 1997. J Biol Chem. 272: 5141-51. PMID: 9030581
  12. Functional studies of dual-specificity phosphatases.  |  Sun, H. 1998. Methods Mol Biol. 84: 307-18. PMID: 9666459

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

PAC-1 Antibody (4O21)

sc-32776
200 µg/ml
$316.00

PAC-1 Antibody (4O21): m-IgG Fc BP-HRP Bundle

sc-525538
200 µg Ab; 10 µg BP
$354.00

PAC-1 Antibody (4O21) AC

sc-32776 AC
500 µg/ml, 25% agarose
$416.00

PAC-1 Antibody (4O21) HRP

sc-32776 HRP
200 µg/ml
$316.00

PAC-1 Antibody (4O21) FITC

sc-32776 FITC
200 µg/ml
$330.00

PAC-1 Antibody (4O21) PE

sc-32776 PE
200 µg/ml
$343.00

PAC-1 Antibody (4O21) Alexa Fluor® 488

sc-32776 AF488
200 µg/ml
$357.00

PAC-1 Antibody (4O21) Alexa Fluor® 546

sc-32776 AF546
200 µg/ml
$357.00

PAC-1 Antibody (4O21) Alexa Fluor® 594

sc-32776 AF594
200 µg/ml
$357.00

PAC-1 Antibody (4O21) Alexa Fluor® 647

sc-32776 AF647
200 µg/ml
$357.00

PAC-1 Antibody (4O21) Alexa Fluor® 680

sc-32776 AF680
200 µg/ml
$357.00

PAC-1 Antibody (4O21) Alexa Fluor® 790

sc-32776 AF790
200 µg/ml
$357.00

Can this antibody be used against human platelets?

Asked by: Ksuke
Thank you for your question. Yes, PAC-1 Antibody (4O21) is recommended for detection of PAC-1 of human origin by WB, IP, IF and IHC(P).
Answered by: Jiajun Z
Date published: 2024-08-05

PAC-1 抗体 (4O21) PE(sc-32776 PE)はFCMにも使える蛍光標識抗体でしょうか?

Asked by: armic
質問あり、がとうございます。sc-32776 PE はFCM、IFにも使える蛍光標識抗体です。宜しくお願い致します。 Thank you for your question. sc-32776 PE is a fluorescently conjugated antibody that can be used for FCM and IF. Thank you.
Answered by: Jiajun Z
Date published: 2024-03-29

Can PAC-1 (4O21): sc-32776 monoclonal antibody be used in IF or IHC with mouse tissue or cells? Will there be non-specific staining?

Asked by: Professor Griffin
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, PAC-1 (4O21): sc-32776 is available in a variety of direct conjugations, such as HRP, PE, FITC and AlexaFluors.
Answered by: Technical Support
Date published: 2018-04-04
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Rated 3 out of 5 by from No visible band in human airway smooth muscleNo band in western from 15ug total protein using human airway smooth muscle cell lysates (1:200).
Date published: 2017-07-31
Rated 5 out of 5 by from used for WBp-akt1 antibody for WB use, I suggest diluted this antibody at 1:500.
Date published: 2017-02-24
Rated 5 out of 5 by from Excellent AntibodyThe PAC-1 Antibody (4O21): sc-32776 works very well for multiple applications including WB, IP, IF and IHC(P). This product has also been cited several times for further verification.
Date published: 2017-01-20
Rated 5 out of 5 by from StrongStrong, clean band in western blot analysis of PAC-1 expression in HeLa whole cell lysate. -SCBT QC
Date published: 2015-07-06
Rated 5 out of 5 by from Used for western blotting with human ectopicUsed for western blotting with human ectopic stromal cells. -SCBT Publication Review
Date published: 2015-06-22
Rated 5 out of 5 by from Produced exceptional immunoperoxidase cytoplasmicProduced exceptional immunoperoxidase cytoplasmic staining in formalin fixed, paraffin-embedded human lateral ventricle tissue. -SCBT QC
Date published: 2015-05-19
Rated 5 out of 5 by from Positive experiencePositive experience
Date published: 2015-04-09
Rated 5 out of 5 by from Published western blot data using human MB435Published western blot data using human MB435 cell lysates. -SCBT Publication Review
Date published: 2015-02-06
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PAC-1 Antibody (4O21) is rated 4.8 out of 5 by 8.
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