Abstract
As the heterodimerization partner for a large number of nuclear receptors, the retinoid X receptor (RXR) is important for a large and diverse set of biochemical pathways. Activation and regulation of RXR heterodimers is achieved by complex allosteric mechanisms, which involve the binding of ligands, DNA, coactivators and corepressors, and entail large and subtle conformational motions. Complementing experiments, computer simulations have provided detailed insights into the origins of the allostery by investigating the changes in structure, motion, and interactions upon dimerization, ligand and cofactor binding. This review will summarize a number of simulation studies that have furthered the understanding of the conformational dynamics and the allosteric activation and control of RXR complexes. While the review focuses on the RXR and RXR heterodimers, relevant simulation studies of other nuclear receptors will be discussed as well.
Keywords: Retinoid X receptor, Nuclear receptor, Simulation, Molecular dynamics, Allostery, Conformational dynamics.
Graphical Abstract
Current Topics in Medicinal Chemistry
Title:Computer Simulations of the Retinoid X Receptor: Conformational Dynamics and Allosteric Networks
Volume: 17 Issue: 6
Author(s): Arjan van der Vaart, Alexander Lorkowski, Ning Ma and Geoffrey M. Gray
Affiliation:
Keywords: Retinoid X receptor, Nuclear receptor, Simulation, Molecular dynamics, Allostery, Conformational dynamics.
Abstract: As the heterodimerization partner for a large number of nuclear receptors, the retinoid X receptor (RXR) is important for a large and diverse set of biochemical pathways. Activation and regulation of RXR heterodimers is achieved by complex allosteric mechanisms, which involve the binding of ligands, DNA, coactivators and corepressors, and entail large and subtle conformational motions. Complementing experiments, computer simulations have provided detailed insights into the origins of the allostery by investigating the changes in structure, motion, and interactions upon dimerization, ligand and cofactor binding. This review will summarize a number of simulation studies that have furthered the understanding of the conformational dynamics and the allosteric activation and control of RXR complexes. While the review focuses on the RXR and RXR heterodimers, relevant simulation studies of other nuclear receptors will be discussed as well.
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Cite this article as:
Vaart van der Arjan, Lorkowski Alexander, Ma Ning and Gray M. Geoffrey, Computer Simulations of the Retinoid X Receptor: Conformational Dynamics and Allosteric Networks, Current Topics in Medicinal Chemistry 2017; 17 (6) . https://dx.doi.org/10.2174/1568026616666160617084745
DOI https://dx.doi.org/10.2174/1568026616666160617084745 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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