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Trends Neurosci. 2019 Feb;42(2):128-139. doi: 10.1016/j.tins.2018.10.003. Epub 2018 Oct 29.

Mapping the Conformational Landscape of Glutamate Receptors Using Single Molecule FRET.

Author information

1
Department of Pharmacology and Physiology, University of Rochester Medical Center, Rochester, NY 14642, USA.
2
Center for Membrane Biology, Department of Biochemistry and Molecular Biology, University of Texas Health Science Center at Houston, Houston, TX 77030, USA; Biochemistry and Cell Biology Graduate Program, Graduate School of Biomedical Sciences, University of Texas Health Science Center at Houston, Houston, TX 77030, USA.
3
Center for Membrane Biology, Department of Biochemistry and Molecular Biology, University of Texas Health Science Center at Houston, Houston, TX 77030, USA. Electronic address: vasanthi.jayaraman@uth.tmc.edu.

Abstract

The ionotropic glutamate receptors mediate excitatory neurotransmission in the mammalian central nervous system. These receptors provide a range of temporally diverse signals which stem from subunit composition and also from the inherent ability of each member to occupy multiple functional states, the distribution of which can be altered by small molecule modulators and binding partners. Hence it becomes essential to characterize the conformational landscape of the receptors under this variety of different conditions. This has recently become possible due to single molecule fluorescence resonance energy transfer measurements, along with the rich foundation of existing structures allowing for direct correlations between conformational and functional diversity.

KEYWORDS:

AMPA; NMDA; TARP; glutamate receptors; single molecule FRET

PMID:
30385052
PMCID:
PMC6359962
[Available on 2020-02-01]
DOI:
10.1016/j.tins.2018.10.003
[Indexed for MEDLINE]

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