Date published: 2026-4-30

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caspase-9 p35 Antibody (A-9): sc-133109

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Datasheets
  • caspase-9 p35 Antibody (A-9) is a mouse monoclonal IgG2a κ, cited in 41 publications, provided at 200 µg/ml
  • raised against amino acids 100-270 mapping within an internal region of caspase-9 p35 of human origin
  • Anti-caspase-9 p35 Antibody (A-9) is recommended for detection of p35 subunit and precursor of caspase-9 of mouse, rat and human origin by WB, IP, IF and ELISA
  • Anti-caspase-9 p35 Antibody (A-9) 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 caspase-9 p35 Antibody (A-9) for WB applications. This reagent is now offered in a bundle with caspase-9 p35 Antibody (A-9) (see ordering information below).
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caspase-9 p35 Antibody (A-9) is a mouse monoclonal IgG2a kappa light chain antibody that detects the p35 subunit and precursor of caspase-9 in mouse, rat, and human samples through western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). anti-caspase-9 p35 antibody (A-9) 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. caspase-9 plays a crucial role in the apoptotic pathway, acting as an initiator caspase that activates downstream effector caspases, such as caspase-3 and caspase-7, thereby facilitating programmed cell death. This process is vital for maintaining cellular homeostasis and eliminating damaged or unwanted cells, which is particularly important in the context of cancer and neurodegenerative diseases. The p35 subunit of caspase-9 is essential for activation and regulation, as p35 helps to form the active caspase-9 complex, which is necessary for the cleavage of specific substrates involved in apoptosis. Understanding caspase-9 function and regulation is critical for developing therapeutic strategies aimed at modulating apoptosis in various diseases.

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

caspase-9 p35 Antibody (A-9) References:

  1. Regulation of the Apaf-1/caspase-9 apoptosome by caspase-3 and XIAP.  |  Zou, H., et al. 2003. J Biol Chem. 278: 8091-8. PMID: 12506111
  2. Post-translational modification of poly(ADP-ribose) polymerase induced by DNA strand breaks.  |  Lindahl, T., et al. 1995. Trends Biochem Sci. 20: 405-11. PMID: 8533153
  3. ICE-LAP3, a novel mammalian homologue of the Caenorhabditis elegans cell death protein Ced-3 is activated during Fas- and tumor necrosis factor-induced apoptosis.  |  Duan, H., et al. 1996. J Biol Chem. 271: 1621-5. PMID: 8576161
  4. Apopain/CPP32 cleaves proteins that are essential for cellular repair: a fundamental principle of apoptotic death.  |  Casciola-Rosen, L., et al. 1996. J Exp Med. 183: 1957-64. PMID: 8642305
  5. ICE-LAP6, a novel member of the ICE/Ced-3 gene family, is activated by the cytotoxic T cell protease granzyme B.  |  Duan, H., et al. 1996. J Biol Chem. 271: 16720-4. PMID: 8663294
  6. Cleavage of lamin A by Mch2 alpha but not CPP32: multiple interleukin 1 beta-converting enzyme-related proteases with distinct substrate recognition properties are active in apoptosis.  |  Takahashi, A., et al. 1996. Proc Natl Acad Sci U S A. 93: 8395-400. PMID: 8710882
  7. In vitro activation of CPP32 and Mch3 by Mch4, a novel human apoptotic cysteine protease containing two FADD-like domains.  |  Fernandes-Alnemri, T., et al. 1996. Proc Natl Acad Sci U S A. 93: 7464-9. PMID: 8755496
  8. The expression of poly(ADP-ribose) polymerase during differentiation-linked DNA replication reveals that it is a component of the multiprotein DNA replication complex.  |  Simbulan-Rosenthal, CM., et al. 1996. Biochemistry. 35: 11622-33. PMID: 8794742
  9. Caspases: the executioners of apoptosis.  |  Cohen, GM. 1997. Biochem J. 326 (Pt 1): 1-16. PMID: 9337844

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

caspase-9 p35 Antibody (A-9)

sc-133109
200 µg/ml
$322.00

caspase-9 p35 Antibody (A-9): m-IgG Fc BP-HRP Bundle

sc-525746
200 µg Ab; 10 µg BP
$361.00

caspase-9 p35 Antibody (A-9) AC

sc-133109 AC
500 µg/ml, 25% agarose
$424.00

caspase-9 p35 Antibody (A-9) HRP

sc-133109 HRP
200 µg/ml
$322.00

caspase-9 p35 Antibody (A-9) FITC

sc-133109 FITC
200 µg/ml
$336.00

caspase-9 p35 Antibody (A-9) PE

sc-133109 PE
200 µg/ml
$349.00

caspase-9 p35 Antibody (A-9) Alexa Fluor® 488

sc-133109 AF488
200 µg/ml
$364.00

caspase-9 p35 Antibody (A-9) Alexa Fluor® 546

sc-133109 AF546
200 µg/ml
$364.00

caspase-9 p35 Antibody (A-9) Alexa Fluor® 594

sc-133109 AF594
200 µg/ml
$364.00

caspase-9 p35 Antibody (A-9) Alexa Fluor® 647

sc-133109 AF647
200 µg/ml
$364.00

caspase-9 p35 Antibody (A-9) Alexa Fluor® 680

sc-133109 AF680
200 µg/ml
$364.00

caspase-9 p35 Antibody (A-9) Alexa Fluor® 790

sc-133109 AF790
200 µg/ml
$364.00

I am using caspase-9 p35 (A-9): sc-133109 monoclonal antibody for immunoprecipitation, how much antibody should I use?

Asked by: Professor Griffin
Thank you for your question. We recommend using 1–10 µl (i.e., 0.2–2 µg) of antibody with 1 ml of cell lysate. However, optimal antibody concentration should be determined by titration. Please find our full immunoprecipitation protocol here: https://www.scbt.com/scbt/resources/protocols/immunoprecipitation-western-blots
Answered by: Technical Support
Date published: 2017-04-05
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Rated 3 out of 5 by from got a smeardilute 1:1000 in western blot, not clear full size band.
Date published: 2017-12-21
Rated 5 out of 5 by from Good band observedUsed at 1:500 in HEK293 cells. The band is identical but signal is kind of weak might because I didn’t stimulate it too much.
Date published: 2017-12-12
Rated 5 out of 5 by from perfectIt works good in U87 and Hela S3 cells at 1:1000 dilution
Date published: 2017-11-16
Rated 4 out of 5 by from good resultgood band in 40K in human peripheral blood mononuclear cells ,with 4 centigrade over 20 hour incubation of caspase-9 p35 antibody at 1:500.
Date published: 2017-10-12
Rated 5 out of 5 by from VERY GOOD ANTIBODYcaspase-9 p35 Antibody (A-9) is as good as caspase-8 purchase from santa cruz.
Date published: 2017-08-30
Rated 5 out of 5 by from Excellent antibodyI bought this antibody a month ago and it worked well in mice heart tissue extracts
Date published: 2017-08-30
Rated 5 out of 5 by from Great for WBThe caspase-9 p35 Antibody (A-9): sc-133109 provides good Western blot data, showing clear bands with minimal background. This antibody has also been cited several times for further verification.
Date published: 2017-01-24
Rated 4 out of 5 by from Worked with transfected lysate by WB withWorked with transfected lysate by WB with some background -SCBT QC
Date published: 2015-02-19
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caspase-9 p35 Antibody (A-9) is rated 4.6 out of 5 by 10.
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