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Ac-IETD-AFC (CAS 211990-57-7)

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Alternate Names:
Caspase-8 Substrate IETD-AFC; N-Acetyl-Ile-Glu-Thr-Asp-7-amino-4-(trifluoromethyl)coumarin
Application:
Ac-IETD-AFC is a substrate for caspase-8/caspase-3 processing enzyme and granzyme B
CAS Number:
211990-57-7
Molecular Weight:
729.65
Molecular Formula:
C31H38F3N5O12
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Ac-IETD-AFC is a potent inhibitor of protein synthesis. It operates by binding to the peptidyl transferase center of the ribosome, effectively impeding the peptidyl transferase reaction necessary for protein synthesis. Additionally, Ac-IETD-AFC binds to the A-site of the ribosome, responsible for the attachment of aminoacyl-tRNA molecules. This binding obstructs the interaction of aminoacyl-tRNA molecules, preventing peptide bond formation and subsequent elongation of the polypeptide chain. Consequently, the inhibition of protein synthesis by Ac-IETD-AFC hampers cell growth, differentiation, and apoptosis. Ac-IETD-AFC has demonstrated the ability to inhibit the translation of specific mRNA molecules, leading to the suppression of distinct cellular processes.


Ac-IETD-AFC (CAS 211990-57-7) References

  1. Activation of caspases is required for osteoblastic differentiation.  |  Mogi, M. and Togari, A. 2003. J Biol Chem. 278: 47477-82. PMID: 12954609
  2. Diclofenac induces apoptosis in hepatocytes by alteration of mitochondrial function and generation of ROS.  |  Gómez-Lechón, MJ., et al. 2003. Biochem Pharmacol. 66: 2155-67. PMID: 14609740
  3. Caspase-8 activation precedes alterations of mitochondrial membrane potential during monocyte apoptosis induced by phagocytosis and killing of Staphylococcus aureus.  |  Weglarczyk, K., et al. 2004. Infect Immun. 72: 2590-7. PMID: 15102767
  4. Functional role of death-associated protein 3 (DAP3) in anoikis.  |  Miyazaki, T., et al. 2004. J Biol Chem. 279: 44667-72. PMID: 15302871
  5. The immunosuppressant drug FK506 prevents Fas-induced apoptosis in human hepatocytes.  |  Gómez-Lechón, MJ., et al. 2004. Biochem Pharmacol. 68: 2427-33. PMID: 15548389
  6. Differential regulation of noxa in normal melanocytes and melanoma cells by proteasome inhibition: therapeutic implications.  |  Fernández, Y., et al. 2005. Cancer Res. 65: 6294-304. PMID: 16024631
  7. Oxidative stress and apoptotic events during thermal stress in the symbiotic sea anemone, Anemonia viridis.  |  Richier, S., et al. 2006. FEBS J. 273: 4186-98. PMID: 16907933
  8. beta-Sitosterol activates Fas signaling in human breast cancer cells.  |  Awad, AB., et al. 2007. Phytomedicine. 14: 747-54. PMID: 17350814
  9. Mechanism of procaspase-8 activation by c-FLIPL.  |  Yu, JW., et al. 2009. Proc Natl Acad Sci U S A. 106: 8169-74. PMID: 19416807
  10. Anticancer activity of a combination of cisplatin and fisetin in embryonal carcinoma cells and xenograft tumors.  |  Tripathi, R., et al. 2011. Mol Cancer Ther. 10: 255-68. PMID: 21216935
  11. Real-time monitoring of caspase-3/8 activity by self-assembling nanofiber probes in living cells.  |  Zhang, LS., et al. 2021. Chem Commun (Camb). 57: 797-800. PMID: 33355564
  12. Identification and inhibition of the ICE/CED-3 protease necessary for mammalian apoptosis.  |  Nicholson, DW., et al. 1995. Nature. 376: 37-43. PMID: 7596430
  13. Interleukin-1 beta converting enzyme.  |  Thornberry, NA. 1994. Methods Enzymol. 244: 615-31. PMID: 7845238
  14. Cleavage of poly(ADP-ribose) polymerase by a proteinase with properties like ICE.  |  Lazebnik, YA., et al. 1994. Nature. 371: 346-7. PMID: 8090205
  15. Activation of a CrmA-insensitive, p35-sensitive pathway in ionizing radiation-induced apoptosis.  |  Datta, R., et al. 1997. J Biol Chem. 272: 1965-9. PMID: 8999887

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Ac-IETD-AFC, 5 mg

sc-311276
5 mg
$275.00

Ac-IETD-AFC, 10 mg

sc-311276A
10 mg
$444.00

这个底物可以进入细胞嘛

Asked by: tong
Thank you for your question. Please contact our Technical Service Department. Our Asian Technical Service team is available at (+86) 021-60936350 or asia@scbio.cn or by live chat on our website. 感谢您的提问。请联系我们的技术支持部门,亚洲技术支持电话(+86) 021-60936350、邮箱asia@scbio.cn、或选择网页上Live Chat中的“中文支持”。
Answered by: Sen Li
Date published: 2025-11-10
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Rated 5 out of 5 by from Weglarczyk K; et alWeglarczyk K; et al. (PubMed ID: 15102767)utilized Ac-IETD-AFC as a fluorogenic substrate to measure caspase 8 activity in cell lysates. -SCBT Publication Review
Date published: 2015-06-24
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Ac-IETD-AFC is rated 5.0 out of 5 by 1.
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