Lacosamide Derivatives with Anticonvulsant Activity as Carbonic Anhydrase Inhibitors. Molecular Modeling, Docking and QSAR Analysis

ISSN: 1875-6697 (Online)
ISSN: 1573-4099 (Print)


Volume 10, 4 Issues, 2014


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Subhash C. Basak
Departments of Chemistry, Biochemistry & Molecular Biology University of Minnesota Duluth
Duluth, MN 55811
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Lacosamide Derivatives with Anticonvulsant Activity as Carbonic Anhydrase Inhibitors. Molecular Modeling, Docking and QSAR Analysis

Author(s): Juan C. Garro Martinez, Esteban G. Vega-Hissi, Matias F. Andrada, Pablo R. Duchowicz, Francisco Torrens and Mario R. Estrada

Affiliation: Area de Quimica Física, Facultad de Quimica, Bioquimica y Farmacia, Universidad Nacional de San Luis, Chacabuco 917, San Luis, 5700, Argentina.

Abstract

Lacosamide is an anticonvulsant drug which presents carbonic anhydrase inhibition. In this paper, we analyzed the apparent relationship between both activities performing a molecular modeling, docking and QSAR studies on 18 lacosamide derivatives with known anticonvulsant activity. Docking results suggested the zinc-binding site of carbonic anhydrase is a possible target of lacosamide and lacosamide derivatives making favorable Van der Waals interactions with Asn67, Gln92, Phe131 and Thr200. The mathematical models revealed a poor relationship between the anticonvulsant activity and molecular descriptors obtained from DFT and docking calculations. However, a QSAR model was developed using Dragon software descriptors. The statistic parameters of the model are: correlation coefficient, R=0.957 and standard deviation, S=0.162. Our results provide new valuable information regarding the relationship between both activities and contribute important insights into the essential molecular requirements for the anticonvulsant activity.

Keywords: Anticonvulsant activity, carbonic anhydrase, dragon descriptors, lacosamide derivatives, molecular docking, QSAR.

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Article Details

Volume: 10
Issue Number: 2
First Page: 160
Last Page: 167
Page Count: 8
DOI: 10.2174/1573409910666140410123706
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