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    Emerging molecular mechanisms of signal transduction in Pentameric Ligand-Gated Ion Channels

    Nemecz, Á. and Prevost, Marie and Menny, A. and Corringer, P.-J. (2016) Emerging molecular mechanisms of signal transduction in Pentameric Ligand-Gated Ion Channels. Neuron 90 (3), pp. 452-470. ISSN 0896-6273.

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    Abstract

    Nicotinic acetylcholine, serotonin type 3, γ-amminobutyric acid type A, and glycine receptors are major players of human neuronal communication. They belong to the family of pentameric ligand-gated ion channels, sharing a highly conserved modular 3D structure. Recently, high-resolution structures of both open- and closed-pore conformations have been solved for a bacterial, an invertebrate, and a vertebrate receptor in this family. These data suggest that a common gating mechanism occurs, coupling neurotransmitter binding to pore opening, but they also pinpoint significant differences among subtypes. In this Review, we summarize the structural and functional data in light of these gating models and speculate about their mechanistic consequences on ion permeation, pathological mutations, as well as functional regulation by orthosteric and allosteric effectors.

    Metadata

    Item Type: Article
    School: Birkbeck Schools and Departments > School of Science > Biological Sciences
    Depositing User: Administrator
    Date Deposited: 16 May 2016 12:31
    Last Modified: 16 May 2016 12:31
    URI: http://eprints.bbk.ac.uk/id/eprint/15177

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