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データを開く
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基本情報
| 登録情報 | データベース: EMDB / ID: EMD-9387 | |||||||||
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| タイトル | structure of a complex | |||||||||
マップデータ | Structure of a complex | |||||||||
試料 |
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キーワード | AMPA receptor / ligand gated ion channel / neurotransmitter / synapse / MEMBRANE PROTEIN / MEMBRANE PROTEIN-IMMUNE SYSTEM complex | |||||||||
| 機能・相同性 | 機能・相同性情報Cargo concentration in the ER / Presynaptic depolarization and calcium channel opening / axonal spine / positive regulation of locomotion involved in locomotory behavior / positive regulation of membrane potential / COPII-mediated vesicle transport / eye blink reflex / positive regulation of protein localization to basolateral plasma membrane / cellular response to ammonium ion / response to sucrose ...Cargo concentration in the ER / Presynaptic depolarization and calcium channel opening / axonal spine / positive regulation of locomotion involved in locomotory behavior / positive regulation of membrane potential / COPII-mediated vesicle transport / eye blink reflex / positive regulation of protein localization to basolateral plasma membrane / cellular response to ammonium ion / response to sucrose / myosin V binding / cerebellar mossy fiber / neuron spine / postsynaptic neurotransmitter receptor diffusion trapping / proximal dendrite / LGI-ADAM interactions / regulation of AMPA receptor activity / Trafficking of AMPA receptors / response to arsenic-containing substance / regulation of monoatomic ion transmembrane transport / channel regulator activity / cellular response to L-glutamate / cellular response to dsRNA / ligand-gated calcium channel activity / membrane hyperpolarization / dendritic spine membrane / nervous system process / beta-2 adrenergic receptor binding / Synaptic adhesion-like molecules / long-term synaptic depression / protein targeting to membrane / cellular response to peptide hormone stimulus / voltage-gated calcium channel complex / spine synapse / dendritic spine neck / dendritic spine cytoplasm / cellular response to amine stimulus / dendritic spine head / peptide hormone receptor binding / response to psychosocial stress / response to morphine / neurotransmitter receptor localization to postsynaptic specialization membrane / Activation of AMPA receptors / spinal cord development / perisynaptic space / ligand-gated monoatomic cation channel activity / neuronal cell body membrane / protein kinase A binding / neuromuscular junction development / Trafficking of GluR2-containing AMPA receptors / response to lithium ion / AMPA glutamate receptor activity / transmission of nerve impulse / AMPA glutamate receptor clustering / behavioral response to pain / kainate selective glutamate receptor activity / immunoglobulin binding / adenylate cyclase binding / asymmetric synapse / response to electrical stimulus / AMPA glutamate receptor complex / regulation of receptor recycling / extracellularly glutamate-gated ion channel activity / cellular response to glycine / ionotropic glutamate receptor complex / membrane depolarization / Unblocking of NMDA receptors, glutamate binding and activation / G-protein alpha-subunit binding / glutamate receptor binding / conditioned place preference / positive regulation of synaptic transmission / long-term memory / regulation of postsynaptic membrane neurotransmitter receptor levels / voltage-gated calcium channel activity / postsynaptic density, intracellular component / response to fungicide / regulation of synaptic transmission, glutamatergic / neuronal action potential / positive regulation of synaptic transmission, glutamatergic / glutamate-gated receptor activity / extracellular ligand-gated monoatomic ion channel activity / cytoskeletal protein binding / 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 / synapse assembly / excitatory synapse / ionotropic glutamate receptor signaling pathway / ionotropic glutamate receptor binding / dendrite membrane / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / dendrite cytoplasm / positive regulation of excitatory postsynaptic potential / hippocampal mossy fiber to CA3 synapse / dendritic shaft / synaptic membrane / SNARE binding / response to cocaine 類似検索 - 分子機能 | |||||||||
| 生物種 | ![]() ![]() | |||||||||
| 手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 6.7 Å | |||||||||
データ登録者 | Gouaux E / Zhao Y | |||||||||
引用 | ジャーナル: Science / 年: 2019タイトル: Architecture and subunit arrangement of native AMPA receptors elucidated by cryo-EM. 著者: Yan Zhao / Shanshuang Chen / Adam C Swensen / Wei-Jun Qian / Eric Gouaux / ![]() 要旨: Glutamate-gated AMPA receptors mediate the fast component of excitatory signal transduction at chemical synapses throughout all regions of the mammalian brain. AMPA receptors are tetrameric ...Glutamate-gated AMPA receptors mediate the fast component of excitatory signal transduction at chemical synapses throughout all regions of the mammalian brain. AMPA receptors are tetrameric assemblies composed of four subunits, GluA1-GluA4. Despite decades of study, the subunit composition, subunit arrangement, and molecular structure of native AMPA receptors remain unknown. Here we elucidate the structures of 10 distinct native AMPA receptor complexes by single-particle cryo-electron microscopy (cryo-EM). We find that receptor subunits are arranged nonstochastically, with the GluA2 subunit preferentially occupying the B and D positions of the tetramer and with triheteromeric assemblies comprising a major population of native AMPA receptors. Cryo-EM maps define the structure for S2-M4 linkers between the ligand-binding and transmembrane domains, suggesting how neurotransmitter binding is coupled to ion channel gating. | |||||||||
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構造の表示
| ムービー |
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| 構造ビューア | EMマップ: SurfView Molmil Jmol/JSmol |
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ダウンロードとリンク
-EMDBアーカイブ
| マップデータ | emd_9387.map.gz | 10.7 MB | EMDBマップデータ形式 | |
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| ヘッダ (付随情報) | emd-9387-v30.xml emd-9387.xml | 25.8 KB 25.8 KB | 表示 表示 | EMDBヘッダ |
| 画像 | emd_9387.png | 91.5 KB | ||
| Filedesc metadata | emd-9387.cif.gz | 7.9 KB | ||
| その他 | emd_9387_additional_1.map.gz emd_9387_additional_2.map.gz emd_9387_additional_3.map.gz | 7.8 MB 8.9 MB 8.9 MB | ||
| アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-9387 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-9387 | HTTPS FTP |
-関連構造データ
| 関連構造データ | ![]() 6njlMC ![]() 0426C ![]() 0427C ![]() 0428C ![]() 0429C ![]() 0430C ![]() 0431C ![]() 0432C ![]() 9388C ![]() 9389C ![]() 6njmC ![]() 6njnC M: このマップから作成された原子モデル C: 同じ文献を引用 ( |
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| 類似構造データ |
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リンク
| EMDBのページ | EMDB (EBI/PDBe) / EMDataResource |
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| 「今月の分子」の関連する項目 |
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マップ
| ファイル | ダウンロード / ファイル: emd_9387.map.gz / 形式: CCP4 / 大きさ: 125 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| 注釈 | Structure of a complex | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 投影像・断面図 | 画像のコントロール
画像は Spider により作成 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ボクセルのサイズ | X=Y=Z: 1.72 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 密度 |
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| 対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 詳細 | EMDB XML:
CCP4マップ ヘッダ情報:
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-添付データ
-追加マップ: Structure of a complex
| ファイル | emd_9387_additional_1.map | ||||||||||||
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| 注釈 | Structure of a complex | ||||||||||||
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| 密度ヒストグラム |
-追加マップ: Structure of a complex
| ファイル | emd_9387_additional_2.map | ||||||||||||
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| 注釈 | Structure of a complex | ||||||||||||
| 投影像・断面図 |
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| 密度ヒストグラム |
-追加マップ: Structure of a complex
| ファイル | emd_9387_additional_3.map | ||||||||||||
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| 注釈 | Structure of a complex | ||||||||||||
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| 密度ヒストグラム |
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試料の構成要素
+全体 : Native A1A2A1A2 complex bound with MPQX
+超分子 #1: Native A1A2A1A2 complex bound with MPQX
+分子 #1: Glutamate receptor 1
+分子 #2: Glutamate receptor 2
+分子 #3: A'/C' auxiliary proteins
+分子 #4: Voltage-dependent calcium channel gamma-2 subunit
+分子 #5: 11B8 scFv
+分子 #6: 15F1 Fab light chain
+分子 #7: 15F1 Fab heavy chain
+分子 #9: {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)-3,4-dihydroquino...
+分子 #10: 2-acetamido-2-deoxy-beta-D-glucopyranose
-実験情報
-構造解析
| 手法 | クライオ電子顕微鏡法 |
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解析 | 単粒子再構成法 |
| 試料の集合状態 | particle |
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試料調製
| 濃度 | 4 mg/mL | ||||||||||||
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| 緩衝液 | pH: 8 構成要素:
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| グリッド | 詳細: unspecified | ||||||||||||
| 凍結 | 凍結剤: ETHANE / チャンバー内湿度: 100 % / チャンバー内温度: 295 K |
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電子顕微鏡法
| 顕微鏡 | FEI TITAN KRIOS |
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| 撮影 | フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) 検出モード: SUPER-RESOLUTION / 平均電子線量: 54.0 e/Å2 |
| 電子線 | 加速電圧: 300 kV / 電子線源: FIELD EMISSION GUN |
| 電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD |
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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画像解析
-原子モデル構築 1
| 精密化 | 空間: REAL / プロトコル: RIGID BODY FIT |
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| 得られたモデル | ![]() PDB-6njl: |
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引用
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