Date published: 2025-10-15

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AAF-CMK (CAS 184901-82-4)

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Alternate Names:
Tripeptidyl Peptidase Inhibitor
Application:
AAF-CMK is a serine protease inhibitor that inhibits tripeptidyl peptidase II (TPPII)
CAS Number:
184901-82-4
Purity:
≥95%
Molecular Weight:
453.9
Molecular Formula:
C16H22ClN3O3•C2HF3O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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AAF-CMK is a synthetic peptide that serves as an irreversible inhibitor and is used in biochemical research to study protease activity, particularly that of serine proteases. The compound features an acetyl group and a reactive chloromethyl ketone moiety, which interacts with the active site of target proteases, leading to the alkylation of the serine residue and thus inactivating the enzyme. By inhibiting specific proteases, AAF-CMK allows researchers to dissect the roles these enzymes play in various biological processes, such as apoptosis, cell signaling, and the degradation of intracellular proteins. It is also employed in the study of protease regulation and the specificity of enzyme-substrate interactions. The use of AAF-CMK in biochemical assays helps in elucidating the mechanisms underlying protease function and their implications in cellular physiology and pathology. Additionally, this inhibitor is used in the development of new strategies for modulating protease activity, which can have applications in various fields, including biotechnology and the study of conditions where proteases are key factors.


AAF-CMK (CAS 184901-82-4) References

  1. Tripeptidyl peptidase I, the late infantile neuronal ceroid lipofuscinosis gene product, initiates the lysosomal degradation of subunit c of ATP synthase.  |  Ezaki, J., et al. 2000. J Biochem. 128: 509-16. PMID: 10965052
  2. Tripeptidyl peptidase II promotes maturation of caspase-1 in Shigella flexneri-induced macrophage apoptosis.  |  Hilbi, H., et al. 2000. Infect Immun. 68: 5502-8. PMID: 10992446
  3. Effects of an inhibitor of tripeptidyl peptidase II (Ala-Ala-Phe-chloromethylketone) and its combination with an inhibitor of the chymotrypsin-like activity of the proteasome (PSI) on apoptosis, cell cycle and proteasome activity in U937 cells.  |  Bury, M., et al. 2001. Folia Histochem Cytobiol. 39: 131-2. PMID: 11374791
  4. Link between organ-specific antigen processing by 20S proteasomes and CD8(+) T cell-mediated autoimmunity.  |  Kuckelkorn, U., et al. 2002. J Exp Med. 195: 983-90. PMID: 11956289
  5. Structural and enzymatic characterization of physarolisin (formerly physaropepsin) proves that it is a unique serine-carboxyl proteinase.  |  Nishii, W., et al. 2003. Biochem Biophys Res Commun. 301: 1023-9. PMID: 12589815
  6. The group II chaperonin TRiC protects proteolytic intermediates from degradation in the MHC class I antigen processing pathway.  |  Kunisawa, J. and Shastri, N. 2003. Mol Cell. 12: 565-76. PMID: 14527404
  7. Is there an alternative to the proteasome in cytosolic protein degradation?  |  Antón, LC. and Villasevil, EM. 2008. Biochem Soc Trans. 36: 839-42. PMID: 18793147
  8. Calcium-independent phospholipase A2 beta is dispensable in inflammasome activation and its inhibition by bromoenol lactone.  |  Franchi, L., et al. 2009. J Innate Immun. 1: 607-17. PMID: 20160900
  9. Characterization of bortezomib-adapted I-45 mesothelioma cells.  |  Zhang, L., et al. 2010. Mol Cancer. 9: 110. PMID: 20482802
  10. Accumulation of polyubiquitylated proteins in response to Ala-Ala-Phe-chloromethylketone is independent of the inhibition of Tripeptidyl peptidase II.  |  Villasevil, EM., et al. 2010. Biochim Biophys Acta. 1803: 1094-105. PMID: 20553980
  11. Semispecific TPPII inhibitor Ala-Ala-Phe-chloromethylketone (AAF-cmk) displays cytotoxic activity by induction of apoptosis, autophagy and protein aggregation in U937 cells.  |  Bialy, LP., et al. 2018. Folia Histochem Cytobiol. 56: 185-194. PMID: 30294774
  12. A High-Content Screen Identifies TPP1 and Aurora B as Regulators of Axonal Mitochondrial Transport.  |  Shlevkov, E., et al. 2019. Cell Rep. 28: 3224-3237.e5. PMID: 31533043
  13. Purification and characterisation of a tripeptidyl aminopeptidase I from rat spleen.  |  Vines, D. and Warburton, MJ. 1998. Biochim Biophys Acta. 1384: 233-42. PMID: 9659384
  14. A giant protease with potential to substitute for some functions of the proteasome.  |  Geier, E., et al. 1999. Science. 283: 978-81. PMID: 9974389

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

AAF-CMK, 5 mg

sc-205591
5 mg
$92.00

AAF-CMK, 25 mg

sc-205591A
25 mg
$311.00