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Design of chemical libraries with potentially bioactive molecules applying a maximum common substructure concept.


ABSTRACT: Success in small molecule screening relies heavily on the preselection of compounds. Here, we present a strategy for the enrichment of chemical libraries with potentially bioactive compounds integrating the collected knowledge of medicinal chemistry. Employing a genetic algorithm, substructures typically occurring in bioactive compounds were identified using the World Drug Index. Availability of compounds containing the selected substructures was analysed in vendor libraries, and the substructure-specific sublibraries were assembled. Compounds containing reactive, undesired functional groups were omitted. Using a diversity filter for both physico-chemical properties and the substructure composition, the compounds of all the sublibraries were ranked. Accordingly, a screening collection of 16,671 compounds was selected. Diversity and chemical space coverage of the collection indicate that it is highly diverse and well-placed in the chemical space spanned by bioactive compounds. Furthermore, secondary assay-validated hits presented in this study show the practical relevance of our library design strategy.

SUBMITTER: Lisurek M 

PROVIDER: S-EPMC7089384 | biostudies-literature | 2010 May

REPOSITORIES: biostudies-literature

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Design of chemical libraries with potentially bioactive molecules applying a maximum common substructure concept.

Lisurek Michael M   Rupp Bernd B   Wichard Jörg J   Neuenschwander Martin M   von Kries Jens Peter JP   Frank Ronald R   Rademann Jörg J   Kühne Ronald R  

Molecular diversity 20090815 2


Success in small molecule screening relies heavily on the preselection of compounds. Here, we present a strategy for the enrichment of chemical libraries with potentially bioactive compounds integrating the collected knowledge of medicinal chemistry. Employing a genetic algorithm, substructures typically occurring in bioactive compounds were identified using the World Drug Index. Availability of compounds containing the selected substructures was analysed in vendor libraries, and the substructur  ...[more]

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