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Pharmacophore modeling, in silico screening, molecular docking and molecular dynamics approaches for potential alpha-delta bungarotoxin-4 inhibitors discovery.


ABSTRACT: BACKGROUND:The alpha-delta bungartoxin-4 (?-?-Bgt-4) is a potent neurotoxin produced by highly venomous snake species, Bungarus caeruleus, mainly targeting neuronal acetylcholine receptors (nAchRs) and producing adverse biological malfunctions leading to respiratory paralysis and mortality. OBJECTIVE:In this study, we predicted the three-dimensional structure of ?-?-Bgt-4 using homology modeling and investigated the conformational changes and the key residues responsible for nAchRs inhibiting activity. MATERIALS AND METHODS:From the selected plants, which are traditionally used for snake bites, the active compounds are taken and performed molecular interaction studies and also used for modern techniques like pharmacophore modeling and mapping and absorption, distribution, metabolism, elimination and toxicity analysis which may increase the possibility of success. RESULTS:Moreover, 100's of drug-like compounds were retrieved and analyzed through computational virtual screening and allowed for pharmacokinetic profiling, molecular docking and dynamics simulation. CONCLUSION:Finally the top five drug-like compounds having competing level of inhibition toward ?-?-Bgt-4 toxin were suggested based on their interaction with ?-?-Bgt-4 toxin.

SUBMITTER: Kumar RB 

PROVIDER: S-EPMC4461960 | biostudies-literature | 2015 May

REPOSITORIES: biostudies-literature

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Pharmacophore modeling, in silico screening, molecular docking and molecular dynamics approaches for potential alpha-delta bungarotoxin-4 inhibitors discovery.

Kumar R Barani RB   Suresh M Xavier MX   Priya B Shanmuga BS  

Pharmacognosy magazine 20150501 Suppl 1


<h4>Background</h4>The alpha-delta bungartoxin-4 (α-δ-Bgt-4) is a potent neurotoxin produced by highly venomous snake species, Bungarus caeruleus, mainly targeting neuronal acetylcholine receptors (nAchRs) and producing adverse biological malfunctions leading to respiratory paralysis and mortality.<h4>Objective</h4>In this study, we predicted the three-dimensional structure of α-δ-Bgt-4 using homology modeling and investigated the conformational changes and the key residues responsible for nAchR  ...[more]

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