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Title: Emerging structural insights into the function of ionotropic glutamate receptors

Abstract

Ionotropic glutamate receptors (iGluRs) are ligand-gated ion channels that mediate excitatory neurotransmission crucial for brain development and function, including learning and memory formation. Recently a wealth of structural studies on iGluRs including AMPA receptors (AMPARs), kainate receptors, and NMDA receptors (NMDARs) became available. These studies showed structures of non-NMDARs including AMPAR and kainate receptor in various functional states, thereby providing the first visual sense of how non-NMDAR iGluRs may function in the context of homotetramers. Furthermore, they provided the first view of heterotetrameric NMDAR ion channels, and this illuminated the similarities with and differences from non-NMDARs, thus raising a mechanistic distinction between the two groups of iGluRs. We review mechanistic insights into iGluR functions gained through structural studies of multiple groups.

Authors:
 [1];  [1];  [1]
  1. Cold Spring Harbor Laboratory Cold Spring Harbor, NY (United States)
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Org.:
National Institutes of Health (NIH); USDOE
OSTI Identifier:
1352280
Grant/Contract Number:  
MH085926; GM105730
Resource Type:
Accepted Manuscript
Journal Name:
Trends in Biochemical Sciences
Additional Journal Information:
Journal Volume: 40; Journal Issue: 6; Journal ID: ISSN 0968-0004
Publisher:
Cell Press
Country of Publication:
United States
Language:
ENGLISH
Subject:
59 BASIC BIOLOGICAL SCIENCES; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; ionotropic glutamate receptors; structural biology; pharmacology

Citation Formats

Karakas, Erkan, Regan, Michael C., and Furukawa, Hiro. Emerging structural insights into the function of ionotropic glutamate receptors. United States: N. p., 2015. Web. doi:10.1016/j.tibs.2015.04.002.
Karakas, Erkan, Regan, Michael C., & Furukawa, Hiro. Emerging structural insights into the function of ionotropic glutamate receptors. United States. https://doi.org/10.1016/j.tibs.2015.04.002
Karakas, Erkan, Regan, Michael C., and Furukawa, Hiro. Fri . "Emerging structural insights into the function of ionotropic glutamate receptors". United States. https://doi.org/10.1016/j.tibs.2015.04.002. https://www.osti.gov/servlets/purl/1352280.
@article{osti_1352280,
title = {Emerging structural insights into the function of ionotropic glutamate receptors},
author = {Karakas, Erkan and Regan, Michael C. and Furukawa, Hiro},
abstractNote = {Ionotropic glutamate receptors (iGluRs) are ligand-gated ion channels that mediate excitatory neurotransmission crucial for brain development and function, including learning and memory formation. Recently a wealth of structural studies on iGluRs including AMPA receptors (AMPARs), kainate receptors, and NMDA receptors (NMDARs) became available. These studies showed structures of non-NMDARs including AMPAR and kainate receptor in various functional states, thereby providing the first visual sense of how non-NMDAR iGluRs may function in the context of homotetramers. Furthermore, they provided the first view of heterotetrameric NMDAR ion channels, and this illuminated the similarities with and differences from non-NMDARs, thus raising a mechanistic distinction between the two groups of iGluRs. We review mechanistic insights into iGluR functions gained through structural studies of multiple groups.},
doi = {10.1016/j.tibs.2015.04.002},
journal = {Trends in Biochemical Sciences},
number = 6,
volume = 40,
place = {United States},
year = {Fri May 01 00:00:00 EDT 2015},
month = {Fri May 01 00:00:00 EDT 2015}
}

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