Abstract
The core algorithm is based on the alignment of a set of optimal atom triads followed by volume overlap scoring. The method can process approximately 1000 conformations per second on a modern computer. For flexible superposition we demonstrate on a large data set of crystal structures how accurate alignments can be obtained rapidly (less than one second per molecule) in an automated fashion. Next, we apply the method to virtual screening and show high enrichment rates across a broad range of targets and ligands. A one million compound database (100 conformations per compound) can be processed in approximately 15 minutes on a 100 processor cluster, making this method attractive for pre-screening large databases before downstream pharmacophore-based or docking screens. from 4th German Conference on Chemoinformatics Goslar, Germany. 9–11 November 2008
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