登録情報 データベース : EMDB / ID : EMD-45285 ダウンロードとリンクタイトル Diheteromeric GluN1/GluN2A (M817V) in digitonin complexed with glycine, glutamate, and GNE-4123 マップデータ 詳細 試料複合体 : Diheteromeric GluN1/GluN2A (M817V), in complex with glycine, glutamate, and GNE-4123タンパク質・ペプチド : Glutamate receptor ionotropic, NMDA 1, Green fluorescent protein chimeraタンパク質・ペプチド : Glutamate receptor ionotropic, NMDA 2A, Green fluorescent protein chimeraリガンド : 2-acetamido-2-deoxy-beta-D-glucopyranose 詳細 キーワード ion channel / NMDA / positive allosteric modulator / pre-open pore conformation / TRANSPORT PROTEIN機能・相同性 機能・相同性情報分子機能 ドメイン・相同性 構成要素
regulation of response to alcohol / response to ammonium ion / neurotransmitter receptor transport, plasma membrane to endosome / receptor recycling / response to environmental enrichment / directional locomotion / pons maturation / EPHB-mediated forward signaling / Assembly and cell surface presentation of NMDA receptors / regulation of cell communication ... regulation of response to alcohol / response to ammonium ion / neurotransmitter receptor transport, plasma membrane to endosome / receptor recycling / response to environmental enrichment / directional locomotion / pons maturation / EPHB-mediated forward signaling / Assembly and cell surface presentation of NMDA receptors / regulation of cell communication / auditory behavior / positive regulation of Schwann cell migration / olfactory learning / response to hydrogen sulfide / response to other organism / cellular response to magnesium ion / dendritic branch / conditioned taste aversion / response to methylmercury / protein localization to postsynaptic membrane / serotonin metabolic process / regulation of ARF protein signal transduction / regulation of respiratory gaseous exchange / response to manganese ion / transmitter-gated monoatomic ion channel activity / suckling behavior / sleep / positive regulation of inhibitory postsynaptic potential / response to carbohydrate / cellular response to dsRNA / cellular response to lipid / propylene metabolic process / response to glycine / regulation of NMDA receptor activity / dendritic spine organization / RAF/MAP kinase cascade / locomotion / response to amine / neurotransmitter receptor complex / response to glycoside / Synaptic adhesion-like molecules / regulation of monoatomic cation transmembrane transport / NMDA glutamate receptor activity / voltage-gated monoatomic cation channel activity / NMDA selective glutamate receptor complex / glutamate binding / ligand-gated sodium channel activity / glutamate receptor signaling pathway / neuromuscular process / regulation of axonogenesis / calcium ion transmembrane import into cytosol / response to morphine / regulation of dendrite morphogenesis / male mating behavior / regulation of synapse assembly / protein heterotetramerization / spinal cord development / glycine binding / startle response / positive regulation of reactive oxygen species biosynthetic process / dopamine metabolic process / response to lithium ion / cellular response to zinc ion / parallel fiber to Purkinje cell synapse / monoatomic ion channel complex / regulation of postsynaptic membrane potential / monoatomic cation transmembrane transport / action potential / positive regulation of calcium ion transport into cytosol / cellular response to glycine / associative learning / positive regulation of dendritic spine maintenance / modulation of excitatory postsynaptic potential / response to light stimulus / Unblocking of NMDA receptors, glutamate binding and activation / regulation of neuronal synaptic plasticity / positive regulation of protein targeting to membrane / monoatomic cation transport / glutamate receptor binding / conditioned place preference / prepulse inhibition / social behavior / ligand-gated monoatomic ion channel activity / multicellular organismal response to stress / neuron development / long-term memory / phosphatase binding / postsynaptic density, intracellular component / response to fungicide / monoatomic cation channel activity / synaptic cleft / calcium ion homeostasis / positive regulation of synaptic transmission, glutamatergic / cellular response to manganese ion / glutamate-gated receptor activity / glutamate-gated calcium ion channel activity / presynaptic active zone membrane / excitatory synapse / cell adhesion molecule binding / sensory perception of pain 類似検索 - 分子機能 Glutamate [NMDA] receptor, epsilon subunit, C-terminal / N-methyl D-aspartate receptor 2B3 C-terminus / : / : / Green fluorescent protein, GFP / Ionotropic glutamate receptor, metazoa / Green fluorescent protein-related / Green fluorescent protein / Green fluorescent protein / Ligated ion channel L-glutamate- and glycine-binding site ... Glutamate [NMDA] receptor, epsilon subunit, C-terminal / N-methyl D-aspartate receptor 2B3 C-terminus / : / : / Green fluorescent protein, GFP / Ionotropic glutamate receptor, metazoa / Green fluorescent protein-related / Green fluorescent protein / Green fluorescent protein / 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 類似検索 - ドメイン・相同性 Glutamate receptor ionotropic, NMDA 1 / Green fluorescent protein / Glutamate receptor ionotropic, NMDA 2A 類似検索 - 構成要素生物種 Rattus norvegicus (ドブネズミ) / Aequorea victoria (オワンクラゲ)手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 3.99 Å 詳細 データ登録者Jalali-Yazdi F / Kim J / Gouaux E 資金援助 米国, 1件 詳細 詳細を隠すOrganization Grant number 国 National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS) 米国
引用ジャーナル : Sci Adv / 年 : 2025タイトル : Cryo-EM snapshots of NMDA receptor activation illuminate sequential rearrangements.著者 : Jamie A Abbott / Junhoe Kim / Beiying Liu / Gabriela K Popescu / Eric Gouaux / Farzad Jalali-Yazdi / 要旨 : Canonical -methyl-d-aspartate receptors (NMDARs) are glutamate-gated ion channels with critical roles in the development and function of the nervous system. The excitatory currents they produce ... Canonical -methyl-d-aspartate receptors (NMDARs) are glutamate-gated ion channels with critical roles in the development and function of the nervous system. The excitatory currents they produce reflect stochastic transitions between multiple agonist-bound closed- and open-pore states. We leveraged the intrinsically high open probability () of NMDARs composed of GluN1 and GluN2A subunits, together with judiciously chosen mutants and ligands, to achieve conditions in which receptors had a near unity. Using single-particle cryo-electron microscopy (cryo-EM), we captured three activated receptor states, each with distinct conformations of the gate-forming M3 helices. Separately, we carried out single-channel electrophysiology, together with statistical modeling, to relate the cryo-EM structures to the gating reaction. NMDAR channel opening involves bending of the pore-forming M3 helices to produce a transient open-channel conformation, subsequently stabilized by new interactions between the D2-M3 linkers with the pre-M1 helices and the pre-M4 loops, to yield the stable open channel. 履歴 登録 2024年6月11日 - ヘッダ(付随情報) 公開 2025年9月24日 - マップ公開 2025年9月24日 - 更新 2026年2月4日 - 現状 2026年2月4日 処理サイト : RCSB / 状態 : 公開
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