Date published: 2025-12-10

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Calpain 2 Antibody (E-10): sc-373966

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Datasheets
  • Calpain 2 Antibody (E-10) is a mouse monoclonal IgG1 κ, cited in 17 publications, provided at 200 µg/ml
  • specific for an epitope mapping between amino acids 2-27 at the N-terminus of Calpain 2 of human origin
  • Anti-Calpain 2 Antibody (E-10) is recommended for detection of Calpain 2 precursor of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-Calpain 2 Antibody (E-10) 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-IgG1 BP-HRP are the preferred secondary detection reagents for Calpain 2 Antibody (E-10) for WB and IHC(P) applications. These reagents are now offered in bundles with Calpain 2 Antibody (E-10) (see ordering information below).

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Calpain 2 Antibody (E-10) is a mouse monoclonal IgG1 kappa light chain antibody that detects Calpain 2 in mouse, rat, and human samples through various applications including western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). Anti-Calpain 2 antibody (E-10) is available in both non-conjugated and multiple conjugated forms, such as agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and various Alexa Fluor® conjugates. Calpain 2, a crucial intracellular calcium-dependent cysteine protease, plays a significant role in the regulation of cellular processes by cleaving cytoskeletal and submembranous proteins, which is essential for cytoskeletal reorganization and muscle protein degradation. Calpain 2 is primarily located in the cytoplasm and is activated by calcium ions, highlighting its importance in cellular signaling pathways and muscle function. Calpain 2 exists as a heterodimer, consisting of a small regulatory subunit and one of three large catalytic subunits, which include Calpain 1, Calpain 2, and Calpain p94. Calpain activity is tightly regulated by calpastatin, which inhibits both proteolytic activity and membrane binding, with calpastatin existing in tissue and erythrocyte types due to alternative splicing and proteolytic processing. Understanding Calpain 2 function and regulation is vital for elucidating its role in various physiological and pathological processes, making Calpain 2 (E-10) antibody an invaluable tool for researchers studying muscle biology and related disorders.

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

Calpain 2 Antibody (E-10) References:

  1. Molecular diversity of erythrocyte calpastatin.  |  Takano, E., et al. 1991. Biomed Biochim Acta. 50: 517-21. PMID: 1801717
  2. Calpain-2 as a therapeutic target for acute neuronal injury.  |  Wang, Y., et al. 2018. Expert Opin Ther Targets. 22: 19-29. PMID: 29168923
  3. Calpain-2 specifically cleaves Junctophilin-2 at the same site as Calpain-1 but with less efficacy.  |  Wang, J., et al. 2021. Biochem J. 478: 3539-3553. PMID: 34524407
  4. Calpain-2 Mediates MBNL2 Degradation and a Developmental RNA Processing Program in Neurodegeneration.  |  Wang, LH., et al. 2022. J Neurosci. 42: 5102-5114. PMID: 35606145
  5. Calpain-2 Inhibitors as Therapy for Traumatic Brain Injury.  |  Baudry, M., et al. 2023. Neurotherapeutics. 20: 1592-1602. PMID: 37474874
  6. T-type voltage-gated channels, Na+/Ca2+-exchanger, and calpain-2 promote photoreceptor cell death in inherited retinal degeneration.  |  Yan, J., et al. 2024. Cell Commun Signal. 22: 92. PMID: 38303059
  7. Targeting calpain-2-mediated junctophilin-2 cleavage delays heart failure progression following myocardial infarction.  |  Lahiri, SK., et al. 2024. J Mol Cell Cardiol. 194: 85-95. PMID: 38960317
  8. Calcium-dependent proteinases and specific inhibitors: calpain and calpastatin.  |  Murachi, T. 1984. Biochem Soc Symp. 49: 149-67. PMID: 6100833
  9. Molecular diversity of calpastatin in human erythroid cells.  |  Takano, E., et al. 1993. Arch Biochem Biophys. 303: 349-54. PMID: 8512320
  10. Autolysis, Ca2+ requirement, and heterodimer stability in m-calpain.  |  Elce, JS., et al. 1997. J Biol Chem. 272: 11268-75. PMID: 9111030
  11. Calpains: intact and active?  |  Johnson, GV. and Guttmann, RP. 1997. Bioessays. 19: 1011-8. PMID: 9394623
  12. Regulation of the calpain-calpastatin system by membranes (review).  |  Kawasaki, H. and Kawashima, S. 1996. Mol Membr Biol. 13: 217-24. PMID: 9116760

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Calpain 2 Antibody (E-10)

sc-373966
200 µg/ml
$316.00

Calpain 2 Antibody (E-10): m-IgG Fc BP-HRP Bundle

sc-527427
200 µg Ab; 10 µg BP
$354.00

Calpain 2 Antibody (E-10): m-IgG1 BP-HRP Bundle

sc-532800
200 µg Ab; 20 µg BP
$354.00

Calpain 2 Antibody (E-10) AC

sc-373966 AC
500 µg/ml, 25% agarose
$416.00

Calpain 2 Antibody (E-10) HRP

sc-373966 HRP
200 µg/ml
$316.00

Calpain 2 Antibody (E-10) FITC

sc-373966 FITC
200 µg/ml
$330.00

Calpain 2 Antibody (E-10) PE

sc-373966 PE
200 µg/ml
$343.00

Calpain 2 Antibody (E-10) Alexa Fluor® 488

sc-373966 AF488
200 µg/ml
$357.00

Calpain 2 Antibody (E-10) Alexa Fluor® 546

sc-373966 AF546
200 µg/ml
$357.00

Calpain 2 Antibody (E-10) Alexa Fluor® 594

sc-373966 AF594
200 µg/ml
$357.00

Calpain 2 Antibody (E-10) Alexa Fluor® 647

sc-373966 AF647
200 µg/ml
$357.00

Calpain 2 Antibody (E-10) Alexa Fluor® 680

sc-373966 AF680
200 µg/ml
$357.00

Calpain 2 Antibody (E-10) Alexa Fluor® 790

sc-373966 AF790
200 µg/ml
$357.00

Calpain 2 (E-10) Neutralizing Peptide

sc-373966 P
100 µg/0.5 ml
$68.00

Which tissue or cell can be a positive control for calpain2 IHC ?

Asked by: hexl7
Thank you for your question. Bronchus tissue, fallopian tube, gall bladder or rectum tissues are all good positive controls for this protein for IHC.
Answered by: Tech Service
Date published: 2019-04-22

Was the antibody immunized against isoform 1 or 2 of calpain-2? Isoform 2 lacks the first 78 amino acids of isoform 1.

Asked by: Claudia_NeuroGU
Thank you for your question. Calpain 2 Antibody (E-10): sc-373966 is specific for an epitope mapping between amino acids 2-27 at the N-terminus of Calpain 2 of human origin. The immunogenic sequence is AGIAAKLAK DREAAEGLGS HDRAIKY. Since amino acids 1-78 are missing in isoform P17655-2, this isoform is not recognized by Calpain 2 Antibody (E-10): sc-373966 or Calpain 2 Antibody (F-11): sc-373967, which has been raised against the same range of amino acids.
Answered by: Technical Support Europe
Date published: 2019-01-14

What application is the blocking peptide sc-373966 P appropriate for?

Asked by: Professor Griffin
Thank you for your question. The blocking peptide is intended for use as a negative control, by pre-adsorbing the mouse monoclonal antibody against the antigen. For full protocol details, please contact our Technical Services Department or view our online protocol here: https://www.scbt.com/scbt/resources/protocols/peptide-neutralization
Answered by: Technical Support
Date published: 2017-02-24
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Rated 5 out of 5 by from Good specificity in WB in HEK293T cellsI have used a sample of this Ab for western blot in HEK293T cells and the bands was sharp and specific. conditions: dilution 1:500 in 5%milk incubation for 2h at R.T
Date published: 2021-01-29
Rated 5 out of 5 by from Strong BandsClean and strong bands detected using human cardiac stem cell lysate (30ug protein). Worked at 1:500 primary dilution with 1:1000 anti-mouse secondary.
Date published: 2018-02-20
Rated 5 out of 5 by from staining imageThe test indicates the effectiveness of the results of image enhancement. Experiments show that it is an efficient method
Date published: 2017-10-19
Rated 5 out of 5 by from Strong signals with clean backgroundI got the sample for western blotting using the lysates from rat cultured neurons and mouse brains, and I got strong calpain 2 signals with the clean background. I use PVDF membrane and the antibody is 1:5000 diluted in 3% milk/TBST.
Date published: 2017-09-26
Rated 5 out of 5 by from GreatI got a free sample for test, and it works very well
Date published: 2017-09-07
Rated 4 out of 5 by from suitable for IFsuitable for formaldehyde-fixed breast cancer cells MCF-7 by IF
Date published: 2017-08-26
Rated 5 out of 5 by from Robust and cleanAntibody works pretty well and performed western blot, band is pretty clear and strong.
Date published: 2017-05-23
Rated 5 out of 5 by from strong bandsUsed at 1:500 to detect Calpain 2 in U87MG cells,works good,single specific band detected,staining data very strong.
Date published: 2017-02-24
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Calpain 2 Antibody (E-10) is rated 4.8 out of 5 by 11.
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