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The Use of Matched Molecular Series Networks for Cross Target Structure Activity Relationship Translation and Potency Prediction

Abstract

Matched Molecular Series (MMS) analysis is an extension of Matched Molecular Pair (MMP) analysis, where all of the MMPs belong to the same chemical series. An MMS within a biological assay is able to capture specific structure activity relationships resulting from chemical substitution at a single location in the molecule. Under this convention, an MMS has the ability to capture one specific interaction vector between the compounds in a series and their therapeutic target. MMS analysis has the potential to translate the SAR from one series to another even across different protein targets or assays. A significant limitation of this approach is the lack of chemical series with a sufficient number of overlapping fragments to establish a statistically strong SAR in most databases. This results in either an inability to perform MMS analysis altogether or a potentially high proportion of spurious matches from chance correlations when the MMS compound count is low. This paper presents the novel concept of an MMS Network, which captures the SAR relationships between a set of related MMSs and significantly enhances the performance of MMS analysis by reducing the number of spurious matches leading to the identification of unexpected and potentially transferable SAR across assays. The results of a full retrospective leave-one-out analysis and randomization simulation are provided, and examples of pharmaceutically relevant programs will be presented to demonstrate the potential of this method.

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Publication details

The article was received on 12 Sep 2017, accepted on 10 Oct 2017 and first published on 11 Oct 2017


Article type: Research Article
DOI: 10.1039/C7MD00465F
Citation: Med. Chem. Commun., 2017, Accepted Manuscript
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    The Use of Matched Molecular Series Networks for Cross Target Structure Activity Relationship Translation and Potency Prediction

    C. Keefer and G. Chang, Med. Chem. Commun., 2017, Accepted Manuscript , DOI: 10.1039/C7MD00465F

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