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Fast, accurate, and reliable molecular docking with QuickVina 2

Open access
Alhossary, Amr, Handoko, Stephanus Daniel, Mu, Yuguang, Kwoh, Chee-Keong·2015·Bioinformatics

Abstract

Motivation: The need for efficient molecular docking tools for high-throughput screening is growing alongside the rapid growth of drug-fragment databases. AutoDock Vina (‘Vina’) is a widely used docking tool with parallelization for speed. QuickVina (‘QVina 1’) then further enhanced the speed via a heuristics, requiring high exhaustiveness. With low exhaustiveness, its accuracy was compromised. We present in this article the latest version of QuickVina (‘QVina 2’) that inherits both the speed of QVina 1 and the reliability of the original Vina. Results: We tested the efficacy of QVina 2 on the core set of PDBbind 2014. With the default exhaustiveness level of Vina (i.e. 8), a maximum of 20.49-fold and an average of 2.30-fold acceleration with a correlation coefficient of 0.967 for the first mode and 0.911 for the sum of all modes were attained over the original Vina. A tendency for higher acceleration with increased number of rotatable bonds as the design variables was observed. On the accuracy, Vina wins over QVina 2 on 30% of the data with average energy difference of only 0.58 kcal/mol. On the same dataset, GOLD produced RMSD smaller than 2 Å on 56.9% of the data while QVina 2 attained 63.1%. Availability and implementation: The C++ source code of QVina 2 is available at (www.qvina.org). Contact: aalhossary@pmail.ntu.edu.sg Supplementary information: Supplementary data are available at Bioinformatics online.

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Crossref · 10.1093/bioinformatics/btv082

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Metadata

Authors
Alhossary, A., Handoko, S. D., Mu, Y., & Kwoh, C.-K.
Venue
Bioinformatics
Published
2015-02-24
Volume
31
Issue
13
Pages
2214-2216
ISSN
  • 1367-4803 (ISSN-L)
  • 1367-4811
OpenAlex
W2108389384
Cited by
375
References
2
FWCI
3.66
Type
journal article
Language
en
Open access
bronze

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