Molecular Modeling of Small Molecules as BVDV RNA-Dependent RNA Polymerase Allosteric Inhibitors 


Vol. 34,  No. 3, pp. 837-850, Mar.  2013
10.5012/bkcs.2013.34.3.837


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  Abstract

Bovine viral diarrhea virus (BVDV), a major pathogen of cattle, is a well-characterized pestivirus which has been used as a good model virus for HCV. The RNA-dependent RNA polymerase (RdRp) plays a key role in the RNA replication process, thus it has been targeted for antivirus drugs. We employed two-dimensional quantitative structure-activity relationship (2D-QSAR) and molecular field analysis (MFA) to identify the molecular substructure requirements, and the particular characteristics resulted in increased inhibitory activity for the known series of compounds to act as effective BVDV inhibitors. The 2D-QSAR study provided the rationale concept for changes in the structure to have more potent analogs focused on the class of arylazoenamines, benzimidazoles, and acridine derivatives with an optimal subset of descriptors, which have significantly contributed to overall anti-BVDV activity. MFA represented the molecular patterns responsible for the actions of antiviral compound at their receptors. We conclude that the polarity and the polarizability of a molecule play a main role in the inhibitory activity of BVDV inhibitors in the QSAR modeling.

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  Cite this article

[IEEE Style]

H. Chai, D. Lim, H. Chai, E. Jung, "Molecular Modeling of Small Molecules as BVDV RNA-Dependent RNA Polymerase Allosteric Inhibitors," Bulletin of the Korean Chemical Society, vol. 34, no. 3, pp. 837-850, 2013. DOI: 10.5012/bkcs.2013.34.3.837.

[ACM Style]

Han-ha Chai, Dajeong Lim, Hee-yeoul Chai, and Eunkyoung Jung. 2013. Molecular Modeling of Small Molecules as BVDV RNA-Dependent RNA Polymerase Allosteric Inhibitors. Bulletin of the Korean Chemical Society, 34, 3, (2013), 837-850. DOI: 10.5012/bkcs.2013.34.3.837.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949