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ACS Chem Biol. 2015 Feb 20;10(2):395-400. doi: 10.1021/cb500393m. Epub 2014 Nov 6.

Distant polypharmacology among MLP chemical probes.

Author information

1
Systems Pharmacology, Research Program on Biomedical Informatics, IMIM Hospital del Mar Medical Research Institute and Universitat Pompeu Fabra , Doctor Aiguader 88, 08003 Barcelona, Catalonia, Spain.

Abstract

Small molecules are essential tool compounds to probe the role of proteins in biology and advance toward more efficient therapeutics. However, they are used without a complete knowledge of their selectivity across the entire proteome, at risk of confounding their effects due to unknown off-target interactions. Current state-of-the-art computational approaches to predicting the affinity profile of small molecules offer a means to anticipate potential nonobvious selectivity liabilities of chemical probes. The application of in silico target profiling on the full set of chemical probes from the NIH Molecular Libraries Program (MLP) resulted in the identification of biologically relevant in vitro affinities for proteins distantly related to the primary targets of ML006, ML123, ML141, and ML204, helping to lower the risk of their further use in chemical biology.

PMID:
25365788
DOI:
10.1021/cb500393m
[Indexed for MEDLINE]

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