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Letters in Drug Design & Discovery

Editor-in-Chief

ISSN (Print): 1570-1808
ISSN (Online): 1875-628X

Research Article

Hydroxamate Inhibitor Profiling of Both Zn2+- and Ni2+-Activated Glyoxalase I Metalloenzymes Having Diverse Quaternary Structures

Author(s): Uthaiwan Suttisansanee and John F. Honek*

Volume 14, Issue 7, 2017

Page: [843 - 852] Pages: 10

DOI: 10.2174/1570180814666161128115808

Price: $65

Abstract

Background: The glyoxalase enzyme system is a critical component in the detoxification of cellular metabolically generated alpha-ketoaldehydes, such as methylglyoxal. Inhibitors of these enzymes have been shown to have potential in the development of antimicrobial and antitumor agents. A number of glyoxalase I (Glo1) metalloenzymes have been identified and have been categorized as either Zn2+-activated or Ni2+-activated metalloenzymes.

Method: In the current work, four Glo1 from both metal activation classes and also having different quaternary structures were screened against two prototypic hydroxamate-containing peptide inhibitors in order to provide preliminary information on inhibition characteristics for these diverse metalloenzymes.

Conclusion: This information should prove useful in future inhibitor design initiatives to develop more potent and organism selective Glo1 inhibitors.

Keywords: Glyoxalase, nickel, zinc, inhibitor, hydroxamate, metalloenzyme, Clostridium, Pseudomonas, Saccharomyces.

Graphical Abstract

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