Emerging structural insights into the function of ionotropic glutamate receptors.
Emerging structural insights into the function of ionotropic glutamate receptors.
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DOI:
10.1016/j.tibs.2015.04.002
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发表时间:
2015-06
影响因子:
13.8
通讯作者:
Furukawa, Hiro
中科院分区:
文献类型:
--
作者:
Karakas, Erkan;Regan, Michael C.;Furukawa, Hiro
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, which illuminated the similarities with and differences from non-NMDARs, thus raising a mechanistic distinction between the two groups of iGluRs. Here we review mechanistic insights into iGluR functions gained through structural studies of multiple groups.
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