Protein or peptide: Glutamate receptor ionotropic, NMDA 1
Protein or peptide: Glutamate receptor ionotropic, NMDA 3A
Keywords
Channel / receptor / MEMBRANE PROTEIN
Function / homology
Function and homology information
negative regulation of dendritic spine development / excitatory chemical synaptic transmission / Synaptic adhesion-like molecules / propylene metabolic process / response to glycine / glutamate receptor activity / regulation of monoatomic cation transmembrane transport / Assembly and cell surface presentation of NMDA receptors / NMDA glutamate receptor activity / Neurexins and neuroligins ...negative regulation of dendritic spine development / excitatory chemical synaptic transmission / Synaptic adhesion-like molecules / propylene metabolic process / response to glycine / glutamate receptor activity / regulation of monoatomic cation transmembrane transport / Assembly and cell surface presentation of NMDA receptors / NMDA glutamate receptor activity / Neurexins and neuroligins / NMDA selective glutamate receptor complex / calcium ion transmembrane import into cytosol / glutamate binding / positive regulation of reactive oxygen species biosynthetic process / protein heterotetramerization / glycine binding / positive regulation of calcium ion transport into cytosol / Negative regulation of NMDA receptor-mediated neuronal transmission / Unblocking of NMDA receptors, glutamate binding and activation / dendrite development / regulation of neuronal synaptic plasticity / monoatomic cation transmembrane transport / monoatomic cation transport / positive regulation of excitatory postsynaptic potential / Long-term potentiation / ligand-gated monoatomic ion channel activity / excitatory synapse / prepulse inhibition / calcium ion homeostasis / synaptic cleft / glutamate-gated calcium ion channel activity / EPHB-mediated forward signaling / presynaptic modulation of chemical synaptic transmission / Ras activation upon Ca2+ influx through NMDA receptor / ionotropic glutamate receptor signaling pathway / positive regulation of synaptic transmission, glutamatergic / regulation of membrane potential / excitatory postsynaptic potential / protein phosphatase 2A binding / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / synaptic membrane / synaptic transmission, glutamatergic / postsynaptic density membrane / visual learning / modulation of chemical synaptic transmission / brain development / calcium channel activity / regulation of synaptic plasticity / terminal bouton / calcium ion transport / rhythmic process / synaptic vesicle / presynapse / signaling receptor activity / amyloid-beta binding / RAF/MAP kinase cascade / chemical synaptic transmission / postsynaptic membrane / response to ethanol / dendritic spine / postsynaptic density / calmodulin binding / neuron projection / neuronal cell body / glutamatergic synapse / synapse / dendrite / calcium ion binding / endoplasmic reticulum membrane / protein-containing complex binding / cell surface / positive regulation of transcription by RNA polymerase II / identical protein binding / membrane / plasma membrane / cytoplasm Similarity search - Function
: / : / Bacterial extracellular solute-binding proteins, family 3 / Solute-binding protein family 3/N-terminal domain of MltF / Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / : / Ligand-gated ion channel / Ionotropic glutamate receptor, L-glutamate and glycine-binding domain / Ligated ion channel L-glutamate- and glycine-binding site ...: / : / Bacterial extracellular solute-binding proteins, family 3 / Solute-binding protein family 3/N-terminal domain of MltF / Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / : / Ligand-gated ion channel / Ionotropic glutamate receptor, L-glutamate and glycine-binding domain / Ligated ion channel L-glutamate- and glycine-binding site / Ionotropic glutamate receptor / Eukaryotic homologues of bacterial periplasmic substrate binding proteins. / Receptor, ligand binding region / Receptor family ligand binding region / Periplasmic binding protein-like I Similarity search - Domain/homology
National Institutes of Health/National Institute of Mental Health (NIH/NIMH)
NS11745
United States
National Institutes of Health/National Institute of Mental Health (NIH/NIMH)
MH085926
United States
National Institutes of Health/National Institute of Mental Health (NIH/NIMH)
F32MH121061
United States
National Institutes of Health/National Institute of Mental Health (NIH/NIMH)
NS113632
United States
Citation
Journal: Sci Adv / Year: 2024 Title: Structure and function of GluN1-3A NMDA receptor excitatory glycine receptor channel. Authors: Kevin Michalski / Hiro Furukawa / Abstract: -methyl-d-aspartate receptors (NMDARs) and other ionotropic glutamate receptors (iGluRs) mediate most of the excitatory signaling in the mammalian brains in response to the neurotransmitter glutamate. ...-methyl-d-aspartate receptors (NMDARs) and other ionotropic glutamate receptors (iGluRs) mediate most of the excitatory signaling in the mammalian brains in response to the neurotransmitter glutamate. Uniquely, NMDARs composed of GluN1 and GluN3 are activated exclusively by glycine, the neurotransmitter conventionally mediating inhibitory signaling when it binds to pentameric glycine receptors. The GluN1-3 NMDARs are vital for regulating neuronal excitability, circuit function, and specific behaviors, yet our understanding of their functional mechanism at the molecular level has remained limited. Here, we present cryo-electron microscopy structures of GluN1-3A NMDARs bound to an antagonist, CNQX, and an agonist, glycine. The structures show a 1-3-1-3 subunit heterotetrameric arrangement and an unprecedented pattern of GluN3A subunit orientation shift between the glycine-bound and CNQX-bound structures. Site-directed disruption of the unique subunit interface in the glycine-bound structure mitigated desensitization. Our study provides a foundation for understanding the distinct structural dynamics of GluN3 that are linked to the unique function of GluN1-3 NMDARs.
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