xPyder: a PyMOL plugin to analyze coupled residues and their networks in protein structures

Marco Pasi, Matteo Tiberti, Alberto Arrigoni, Elena Papaleo

37 Citationer (Scopus)

Abstract

A versatile method to directly identify and analyze short- or long-range coupled or communicating residues in a protein conformational ensemble is of extreme relevance to achieve a complete understanding of protein dynamics and structural communication routes. Here, we present xPyder, an interface between one of the most employed molecular graphics systems, PyMOL, and the analysis of dynamical cross-correlation matrices (DCCM). The approach can also be extended, in principle, to matrices including other indexes of communication propensity or intensity between protein residues, as well as the persistence of intra- or intermolecular interactions, such as those underlying protein dynamics. The xPyder plugin for PyMOL 1.4 and 1.5 is offered as Open Source software via the GPL v2 license, and it can be found, along with the installation package, the user guide, and examples, at http://linux.btbs.unimib.it/xpyder/.
OriginalsprogEngelsk
TidsskriftJournal of Chemical Information and Modeling
Vol/bind52
Udgave nummer7
Sider (fra-til)1865-1874
Antal sider10
ISSN1549-9596
DOI
StatusUdgivet - 23 jul. 2012
Udgivet eksterntJa

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