Systems chemistry: using thermodynamically controlled networks to assess molecular similarity

Journal of Systems Chemistry - Tập 4 Số 1 - 2013
Vittorio Saggiomo1, Yana R. Hristova2, R. Frederick Ludlow2, Sijbren Otto1
1Centre for Systems Chemistry, Stratingh Institute, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, the Netherlands
2Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom

Tóm tắt

Abstract Background The assessment of molecular similarity is a key step in the drug discovery process that has thus far relied almost exclusively on computational approaches. We now report an experimental method for similarity assessment based on dynamic combinatorial chemistry. Results In order to assess molecular similarity directly in solution, a dynamic molecular network was used in a two-step process. First, a clustering analysis was employed to determine the network’s innate discriminatory ability. A classification algorithm was then trained to enable the classification of unknowns. The dynamic molecular network used in this work was able to identify thin amines and ammonium ions in a set of 25 different, closely related molecules. After training, it was also able to classify unknown molecules based on the presence or absence of an ethylamine group. Conclusions This is the first step in the development of molecular networks capable of predicting bioactivity based on an assessment of molecular similarity.

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Journal of Systems Chemistry

Tập 4 Số 1

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