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  • C9598 - Anti-Caspase 3 antibody produced in rabbit

C9598 Sigma

Anti-Caspase 3 antibody produced in rabbit

IgG fraction of antiserum, buffered aqueous solution

Synonym: Anti-Apopain, Anti-CPP32, Anti-Yama



Related Categories Alphabetical Index, Antibodies, Antibodies for Apoptosis, Antibodies for Cell Biology, Antibodies to Caspases,
species reactivity   human
application(s)   microarray: suitable
  western blot: 1:3,000 using Jurkat human T-cell leukemia cell extract
clone   polyclonal
antibody form   IgG fraction of antiserum
form   buffered aqueous solution
mol wt   antigen mol wt 32 kDa
shipped in   dry ice
storage temp.   −20°C
Gene Information   human ... CASP3(836)
biological source   rabbit
conjugate   unconjugated



synthetic peptide corresponding to the N-terminal of human caspase 3 (amino acids 29-43 with C-terminally added lysine) conjugated to KLH. This sequence, unique to caspase 3, corresponds to N-terminal of the enzyme p20 subunit and is highly conserved in rat and mouse caspase 3.

General description

Caspase 3 is a cytosolic protein present as a 32 kDa proenzyme in cells. It is activated by proteolytic cleavage into the 20 kDa (p20) and 11 kDa (p11) active subunits when cells undergo apoptosis.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.


Anti-Caspase 3 antibody produced in rabbit is suitable for microarray and western blotting at a working dilution of 1:3000 using Jurkat human T-cell leukemia cell extract. It was used as a primary antibody for western blotting in a study to establish the biomolecular basis for the role of PCMT1 (isoaspartyl protein carboxyl-O-methyltransferase) as a part of a novel apoptosis regulatory mechanism. It was used to examine activation of caspase-3 via immunoblotting in a study to confirm the apoptosis of tumor cells mediated by AAV-ISN-T (recombinant adeno-associated virus vector with signal peptides of human insulin) administration. It was used as a primary antibody at 1:300 dilution for immunohistochemistry of deparaffinized sections of squamous cell carcinoma of the tongue containing surrounding normal tissue. It was used at a dilution of 1:1000 to detect caspase-3 and its cleaved form P20 in a study.

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Biochem/physiol Actions

Caspase 3 cleaves many key proteins including poly(ADP-ribose) polymerase (PARP), sterol-regulatory element-binding proteins (SREBPs), DNA-dependent protein kinase (DNA-PK), α-fodrin, gelsolin, PKCd and DFF45/ICAD during apoptosis. High levels of this enzyme in lymphocytes suggest that it is an important mediator of apoptosis in the immune system. Deletion of CASP-3 gene in mice results in hyperplasia and cell abnormalities, indicating that caspase 3 is essential for morphogenetic cell death during normal brain development.

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Safety Information

RIDADR  NONH for all modes of transport
WGK Germany  nwg
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