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Nucleic Acids Research (1)
Bahar, Ivet (1)
Bakan, Ahmet (1)
Camacho, Carlos J. (1)
Dömling, Alexander S. (1)
Meireles, Lidio M. (1)
Meireles, Lidio M. C. (1)
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ProDy: Protein Dynamics Inferred from Theory and Experiments
Summary: We developed a Python package, ProDy, for structure-based analysis of protein dynamics. ProDy allows for quantitative characterization of structural variations in heterogeneous datasets of structures experimentally resolved for a given biomolecular system, and for comparison of these variations with the theoretically predicted equilibrium dynamics. Datasets include structural ensembles for a given family or subfamily of proteins, their mutants and sequence homologues, in the presence/absence of their substrates, ligands or inhibitors. Numerous helper functions enable comparative analysis of experimental and theoretical data, and visualization of the principal changes in conformations that are accessible in different functional states. ProDy application programming interface (API) has been designed so that users can easily extend the software and implement new methods.
Availability: ProDy is open source and freely available under GNU General Public License from http://www.csb.pitt.edu/ProDy/.
Contact: firstname.lastname@example.org; email@example.com
ANCHOR: a web server and database for analysis of protein–protein interaction binding pockets for drug discovery
Dömling, Alexander S.
Camacho, Carlos J.
Nucleic Acids Research
2010;38(Web Server issue):W407-W411.
ANCHOR is a web-based tool whose aim is to facilitate the analysis of protein–protein interfaces with regard to its suitability for small molecule drug design. To this end, ANCHOR exploits the so-called anchor residues, i.e. amino acid side-chains deeply buried at protein–protein interfaces, to indicate possible druggable pockets to be targeted by small molecules. For a given protein–protein complex submitted by the user, ANCHOR calculates the change in solvent accessible surface area (ΔSASA) upon binding for each side-chain, along with an estimate of its contribution to the binding free energy. A Jmol-based tool allows the user to interactively visualize selected anchor residues in their pockets as well as the stereochemical properties of the surrounding region such as hydrogen bonding. ANCHOR includes a Protein Data Bank (PDB) wide database of pre-computed anchor residues from more than 30 000 PDB entries with at least two protein chains. The user can query according to amino acids, buried area (SASA), energy or keywords related to indication areas, e.g. oncogene or diabetes. This database provides a resource to rapidly assess protein–protein interactions for the suitability of small molecules or fragments with bioisostere anchor analogues as possible compounds for pharmaceutical intervention. ANCHOR web server and database are freely available at http://structure.pitt.edu/anchor.
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