Simulation of multihaem cytochromes

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Abstract

This article presents an overview of the simulation studies of the behaviour of multihaem cytochromes using theoretical/computational methodologies, with an emphasis on cytochrome c(3). It starts with the first studies using rigid molecules and continuum electrostatic models, where protonation and redox events were treated as independent. The gradual addition of physical details is then described, from the inclusion of proton isomerism, to the proper treatment of the thermodynamics of electron-proton coupling, to the explicit inclusion of the solvent and protein structural reorganization into the models, culminating with the method for molecular dynamics simulations at constant pH and reduction potential, where the solvation, conformational, protonation and redox features are all simulated in a fully integrated and coupled way. We end with a discussion of the strategies used to study the interaction between multihaem cytochromes, taking into account the further coupling effect introduced by the molecular association.
Original languageUnknown
Pages (from-to)510-518
JournalFEBS Letters
Volume586
Issue number5
DOIs
Publication statusPublished - 1 Jan 2012

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