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Constrained geometric simulation of the nicotinic acetylcholine receptor

William J. Belfield 1 Daniel J. Cole 1, 2 Ian L. Martin 3 Mike C. Payne 1 P.-L. Chau 4
1 CAM - University of Cambridge [UK]
2 Department of Chemistry [New Haven]
3 University of Alberta
4 Bioinformatique structurale - Structural Bioinformatics
Abstract : Constrained geometric simulations have been performed for the recently published closed-channel state of the nicotinic acetylcholine receptor. These simulations support the theory that correlated motion in the flexiblě-sheet structure of the extracellular domain helps to communicate a " conformational wave " , spreading from the acetylcholine binding pocket. Furthermore, we have identified key residues that act at the interface between subunits and between domains that could potentially facilitate rapid communication between the binding site and the transmembrane gate.
Keywords : Nicotinic acetylcholine receptor froda first Membrane protein Cys-loop receptors Ligand-gated ion channels
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Submitted on : Monday, December 12, 2016 - 11:56:26 AM
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William J. Belfield, Daniel J. Cole, Ian L. Martin, Mike C. Payne, P.-L. Chau. Constrained geometric simulation of the nicotinic acetylcholine receptor. Journal of Molecular Graphics and Modelling, Elsevier, 2014, 52, pp.1 - 10. ⟨10.1016/j.jmgm.2014.05.001⟩. ⟨pasteur-01414397⟩

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