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PLoS Comput Biol. 2013;9(10):e1003253. doi: 10.1371/journal.pcbi.1003253. Epub 2013 Oct 3.

Target prediction for an open access set of compounds active against Mycobacterium tuberculosis.

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  • 1Genome Biology Group, Centre Nacional d'Anàlisi Genòmica (CNAG), Barcelona, Spain ; Gene Regulation Stem Cells and Cancer Program, Centre for Genomic Regulation (CRG), Barcelona, Spain.

Abstract

Mycobacterium tuberculosis, the causative agent of tuberculosis (TB), infects an estimated two billion people worldwide and is the leading cause of mortality due to infectious disease. The development of new anti-TB therapeutics is required, because of the emergence of multi-drug resistance strains as well as co-infection with other pathogens, especially HIV. Recently, the pharmaceutical company GlaxoSmithKline published the results of a high-throughput screen (HTS) of their two million compound library for anti-mycobacterial phenotypes. The screen revealed 776 compounds with significant activity against the M. tuberculosis H37Rv strain, including a subset of 177 prioritized compounds with high potency and low in vitro cytotoxicity. The next major challenge is the identification of the target proteins. Here, we use a computational approach that integrates historical bioassay data, chemical properties and structural comparisons of selected compounds to propose their potential targets in M. tuberculosis. We predicted 139 target--compound links, providing a necessary basis for further studies to characterize the mode of action of these compounds. The results from our analysis, including the predicted structural models, are available to the wider scientific community in the open source mode, to encourage further development of novel TB therapeutics.

PMID:
24098102
PMCID:
PMC3789770
DOI:
10.1371/journal.pcbi.1003253
[PubMed - indexed for MEDLINE]
Free PMC Article
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