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Article

Substituting Nε-thioacetyl-lysine for Nε-acetyl-lysine in Peptide Substrates as a General Approach to Inhibiting Human NAD+-dependent Protein Deacetylases

Department of Chemistry, University of Akron, 190 E. Buchtel Commons, Akron, OH 44325, USA
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Int. J. Mol. Sci. 2008, 9(1), 1-11; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms9010001
Received: 12 November 2007 / Revised: 21 December 2007 / Accepted: 2 January 2008 / Published: 7 January 2008
(This article belongs to the Special Issue Interaction of Biological Molecules)
Inhibitors of human NAD+-dependent protein deacetylases possess great value for deciphering the biology of these enzymes and as potential therapeutics for metabolic and agerelated diseases and cancer. In the current study, we have experimentally demonstrated that, the potent inhibition we obtained previously for one of these enzymes (i.e. sirtuin type 1 (SIRT1)) by simply replacing Nε-thioacetyl-lysine for Nε-acetyl-lysine in its peptide substrate, represented a general and efficient strategy to develop potent and selective inhibitors of human NAD+-dependent protein deacetylase enzymes. Indeed, by using this simple inhibition strategy, potent (low-micromolar) and selective (≤40-fold) SIRT2 and SIRT3 inhibitors, which were either comparable or superior to currently existing inhibitors, have also been quickly identified in the current study. These inhibitors could be used as chemical biological tools or as lead compounds for further focused structure-activity optimization. View Full-Text
Keywords: Nε-thioacetyl-lysine; NAD+-dependent protein deacetylase; inhibition. Nε-thioacetyl-lysine; NAD+-dependent protein deacetylase; inhibition.
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MDPI and ACS Style

Fatkins, D.G.; Zheng, W. Substituting Nε-thioacetyl-lysine for Nε-acetyl-lysine in Peptide Substrates as a General Approach to Inhibiting Human NAD+-dependent Protein Deacetylases. Int. J. Mol. Sci. 2008, 9, 1-11. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms9010001

AMA Style

Fatkins DG, Zheng W. Substituting Nε-thioacetyl-lysine for Nε-acetyl-lysine in Peptide Substrates as a General Approach to Inhibiting Human NAD+-dependent Protein Deacetylases. International Journal of Molecular Sciences. 2008; 9(1):1-11. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms9010001

Chicago/Turabian Style

Fatkins, David G., and Weiping Zheng. 2008. "Substituting Nε-thioacetyl-lysine for Nε-acetyl-lysine in Peptide Substrates as a General Approach to Inhibiting Human NAD+-dependent Protein Deacetylases" International Journal of Molecular Sciences 9, no. 1: 1-11. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms9010001

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