TY - JOUR A1 - Weisel, Martin A1 - Kriegl, Jan M. A1 - Schneider, Gisbert T1 - PocketGraph : graph representation of binding site volumes T2 - Chemistry central journal N2 - The representation of small molecules as molecular graphs is a common technique in various fields of cheminformatics. This approach employs abstract descriptions of topology and properties for rapid analyses and comparison. Receptor-based methods in contrast mostly depend on more complex representations impeding simplified analysis and limiting the possibilities of property assignment. In this study we demonstrate that ligand-based methods can be applied to receptor-derived binding site analysis. We introduce the new method PocketGraph that translates representations of binding site volumes into linear graphs and enables the application of graph-based methods to the world of protein pockets. The method uses the PocketPicker algorithm for characterization of binding site volumes and employs a Growing Neural Gas procedure to derive graph representations of pocket topologies. Self-organizing map (SOM) projections revealed a limited number of pocket topologies. We argue that there is only a small set of pocket shapes realized in the known ligand-receptor complexes. Y1 - 2009 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/6785 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30-66680 SN - 1752-153X N1 - © 2009 Weisel et al; licensee BioMed Central Ltd. VL - 3 IS - (Suppl 1):P66 SP - 1 EP - 1 PB - BioMed Central CY - London ER -