登録情報 データベース : EMDB / ID : EMD-8232 構造の表示 ダウンロードとリンクタイトル Cryo-EM structure of GluA2 bound to antagonist ZK200775 at 6.8 Angstrom resolution マップデータCryo-EM structure of GluA2 bound to antagonist ZK200775 at 6.8 Angstrom resolution 詳細 試料複合体 : Proteinタンパク質・ペプチド : Glutamate receptor 2リガンド : {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)-3,4-dihydroquinoxalin-1(2H)-yl]methyl}phosphonic acidリガンド : 2-acetamido-2-deoxy-beta-D-glucopyranose 詳細 キーワード Cryo-EM / 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 synaptic plasticity by chemical substance / spine synapse / dendritic spine neck / dendritic spine cytoplasm / dendritic spine head / cellular response to amine stimulus / Activation of AMPA receptors / ligand-gated monoatomic cation channel activity / perisynaptic space / Trafficking of GluR2-containing AMPA receptors ... regulation of synaptic plasticity by chemical substance / spine synapse / dendritic spine neck / dendritic spine cytoplasm / dendritic spine head / cellular response to amine stimulus / Activation of AMPA receptors / ligand-gated monoatomic cation channel activity / perisynaptic space / Trafficking of GluR2-containing AMPA receptors / response to lithium ion / AMPA glutamate receptor activity / AMPA glutamate receptor clustering / regulation of receptor recycling / kainate selective glutamate receptor activity / immunoglobulin binding / AMPA glutamate receptor complex / extracellularly glutamate-gated ion channel activity / ionotropic glutamate receptor complex / cellular response to glycine / asymmetric synapse / Unblocking of NMDA receptors, glutamate binding and activation / glutamate receptor binding / positive regulation of synaptic transmission / conditioned place preference / regulation of synaptic transmission, glutamatergic / response to fungicide / cytoskeletal protein binding / extracellular ligand-gated monoatomic ion channel activity / glutamate-gated receptor activity / cellular response to brain-derived neurotrophic factor stimulus / regulation of long-term synaptic depression / somatodendritic compartment / glutamate-gated calcium ion channel activity / presynaptic active zone membrane / ionotropic glutamate receptor binding / ionotropic glutamate receptor signaling pathway / dendrite cytoplasm / excitatory synapse / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / dendrite membrane / positive regulation of excitatory postsynaptic potential / dendritic shaft / SNARE binding / synaptic membrane / PDZ domain binding / establishment of protein localization / synaptic transmission, glutamatergic / protein tetramerization / long-term synaptic potentiation / receptor internalization / cerebral cortex development / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / postsynaptic density membrane / modulation of chemical synaptic transmission / Schaffer collateral - CA1 synapse / terminal bouton / synaptic vesicle membrane / synaptic vesicle / presynapse / amyloid-beta binding / growth cone / signaling receptor activity / scaffold protein binding / presynaptic membrane / chemical synaptic transmission / dendritic spine / perikaryon / postsynaptic membrane / postsynaptic density / neuron projection / external side of plasma membrane / axon / neuronal cell body / dendrite / synapse / protein kinase binding / protein-containing complex binding / glutamatergic synapse / cell surface / endoplasmic reticulum / protein-containing complex / membrane / identical protein binding / plasma membrane 類似検索 - 分子機能 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 類似検索 - ドメイン・相同性生物種 Rattus norvegicus (ドブネズミ)手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 6.8 Å 詳細 データ登録者Twomey EC / Yelshanskaya MV 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 General Medical Sciences (NIH/NIGMS) T32 GM008224, T32 GM008281, R01 NS083660, R01 GM29169 米国
引用ジャーナル : Science / 年 : 2016タイトル : Elucidation of AMPA receptor-stargazin complexes by cryo-electron microscopy.著者 : Edward C Twomey / Maria V Yelshanskaya / Robert A Grassucci / Joachim Frank / Alexander I Sobolevsky / 要旨 : AMPA-subtype ionotropic glutamate receptors (AMPARs) mediate fast excitatory neurotransmission and contribute to high cognitive processes such as learning and memory. In the brain, AMPAR trafficking, ... AMPA-subtype ionotropic glutamate receptors (AMPARs) mediate fast excitatory neurotransmission and contribute to high cognitive processes such as learning and memory. In the brain, AMPAR trafficking, gating, and pharmacology is tightly controlled by transmembrane AMPAR regulatory proteins (TARPs). Here, we used cryo-electron microscopy to elucidate the structural basis of AMPAR regulation by one of these auxiliary proteins, TARP γ2, or stargazin (STZ). Our structures illuminate the variable interaction stoichiometry of the AMPAR-TARP complex, with one or two TARP molecules binding one tetrameric AMPAR. Analysis of the AMPAR-STZ binding interfaces suggests that electrostatic interactions between the extracellular domains of AMPAR and STZ play an important role in modulating AMPAR function through contact surfaces that are conserved across AMPARs and TARPs. We propose a model explaining how TARPs stabilize the activated state of AMPARs and how the interactions between AMPARs and their auxiliary proteins control fast excitatory synaptic transmission. 履歴 登録 2016年6月16日 - ヘッダ(付随情報) 公開 2016年7月13日 - マップ公開 2016年7月13日 - 更新 2024年11月20日 - 現状 2024年11月20日 処理サイト : RCSB / 状態 : 公開
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