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We present a method for the rapid quantitative shape match between two molecules or a molecule and a template, using atom triplets as descriptors. This technique can be used either as a rapid screen preceding the computationally expensive shape-based docking method developed by Kuntz and co-workers or as a stand-alone method to rank compounds in a large database for their fit to a shape template. The merits and limitations of this method are discussed in detail with examples.

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A novel method for generation of chemical structures of potential pharmaceutical interest is presented. Structures are generated by random combination of known fragments and selected by statistical topological techniques. The power of the method lies in the great profusion of candidates generated together with the extremely high selectivity imposed by the techniques of selection.

No abstract