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Current Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 0929-8673
ISSN (Online): 1875-533X

Discovery and Development of ATPase Inhibitors of DNA Gyrase as Antibacterial Agents

Author(s): Marko Oblak, Miha Kotnik and Tom Solmajer

Volume 14, Issue 19, 2007

Page: [2033 - 2047] Pages: 15

DOI: 10.2174/092986707781368414

Price: $65

Abstract

DNA gyrase is an attractive and well established target for the development of antibacterial agents. This bacterial enzyme, whose biological function is to control the topological state of DNA molecules, consists of two catalytic subunits; GyrA is responsible for DNA breakage and reunion, while the subunit GyrB contains the ATP-binding site. Coumarins and cyclothialidines are natural products that inhibit the ATPase activity of DNA gyrase by blocking the binding of ATP to subunit GyrB. The mechanism of action of these compounds was exhaustively characterized by biochemical methods and supported by protein crystallography. The abundance of crystallographic data on the N-terminal domain of GyrB in its complexes with various ligands has enabled the structure-based design of novel efficient chemotypes as inhibitors of the ATPase domain. This review summarizes the discovery of ATPase inhibitors of DNA gyrase B in the last decade and their development as potential antibacterial agents.

Keywords: DNA gyrase, topoisomerase IV, ATP-binding site, inhibitors, antibacterial agents, structure-based design


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