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Discovery of a Rhodanine Class of Compounds as Inhibitors of Plasmodium falciparum Enoyl-Acyl Carrier Protein Reductase

Kumar, Gyanendra and Parasuraman, Prasanna and Sharma, Shailendra Kumar and Banerjee, Tanushree and Karmodiya, Krishanpal and Surolia, Namita and Surolia, Avadhesha (2007) Discovery of a Rhodanine Class of Compounds as Inhibitors of Plasmodium falciparum Enoyl-Acyl Carrier Protein Reductase. In: Journal Of Medical Chemisty, 50 (11). pp. 2665-2675.

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Official URL: http://pubs.acs.org/doi/pdf/10.1021/jm061257w

Abstract

Enoyl acyl carrier protein (ACP) reductase, one of the enzymes of the type II fatty acid biosynthesis pathway, has been established as a promising target for the development of new drugs for malaria. Here we present the discovery of a rhodanine (2-thioxothiazolidin-4-one) class of compounds as inhibitors of this enzyme using a combined approach of rational selection of compounds for screening, analogue search, docking studies, and lead optimization. The most potent inhibitor exhibits an IC50 of 35.6 nM against Plasmodium falciparum enoyl ACP reductase (PfENR) and inhibits growth of the parasite in red blood cell cultures at an IC50 value of 750 nM. Many more compounds of this class were found to inhibit PfENR at low nanomolar to low micromolar concentrations, expanding the scope for developing new antimalarial drugs. The structure-activity relationship of these rhodanine compounds is discussed.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Chemical Society.
Department/Centre: Division of Biological Sciences > Molecular Biophysics Unit
Date Deposited: 23 Mar 2009 06:41
Last Modified: 19 Sep 2010 05:02
URI: http://eprints.iisc.ernet.in/id/eprint/18449

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