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Upperbound procedures for the identification of similar three-dimensional chemical structures

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Summary

This paper describes techniques for calculating the degree of similarity between an input query molecule and each of the molecules in a database of 3-D chemical structures. The inter-molecular similarity measure used is the number of atoms in the 3-D common substructure (CS) between the two molecules which are being compared. The identification of 3-D CSs is very demanding of computational resources, even when an efficient clique detection algorithm is used for this purpose. Two types of upperbound calculation are described which allow reductions in the number of exact CS searches which need to be carried out to identify those molecules from a database which are similar to a 3-D target molecule.

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Authors and Affiliations

  1. Department of Information Studies, University of Sheffield, Western Bank, S10 2TN, Sheffield, UK

    Andrew T. Brint & Peter Willett

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  1. Andrew T. Brint
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  2. Peter Willett
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Brint, A.T., Willett, P. Upperbound procedures for the identification of similar three-dimensional chemical structures. J Computer-Aided Mol Des 2, 311–320 (1989). https://doi.org/10.1007/BF01532992

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