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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: PDB / ID: 6njl | |||||||||
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| タイトル | Architecture and subunit arrangement of native AMPA receptors | |||||||||
要素 |
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キーワード | MEMBRANE PROTEIN/IMMUNE SYSTEM / 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 / axonal spine / Presynaptic depolarization and calcium channel opening / positive regulation of locomotion involved in locomotory behavior / positive regulation of membrane potential / COPII-mediated vesicle transport / cellular response to ammonium ion / eye blink reflex / positive regulation of protein localization to basolateral plasma membrane / response to sucrose ...Cargo concentration in the ER / axonal spine / Presynaptic depolarization and calcium channel opening / positive regulation of locomotion involved in locomotory behavior / positive regulation of membrane potential / COPII-mediated vesicle transport / cellular response to ammonium ion / eye blink reflex / positive regulation of protein localization to basolateral plasma membrane / response to sucrose / neuron spine / myosin V binding / cerebellar mossy fiber / postsynaptic neurotransmitter receptor diffusion trapping / proximal dendrite / regulation of monoatomic ion transmembrane transport / channel regulator activity / LGI-ADAM interactions / Trafficking of AMPA receptors / regulation of AMPA receptor activity / response to arsenic-containing substance / cellular response to L-glutamate / cellular response to dsRNA / dendritic spine membrane / long-term synaptic depression / membrane hyperpolarization / beta-2 adrenergic receptor binding / nervous system process / Synaptic adhesion-like molecules / protein targeting to membrane / cellular response to peptide hormone stimulus / voltage-gated calcium channel complex / spine synapse / dendritic spine neck / dendritic spine cytoplasm / neuronal cell body membrane / cellular response to amine stimulus / dendritic spine head / response to psychosocial stress / response to morphine / peptide hormone receptor binding / neurotransmitter receptor localization to postsynaptic specialization membrane / spinal cord development / protein kinase A binding / perisynaptic space / Activation of AMPA receptors / ligand-gated monoatomic cation channel activity / neuromuscular junction development / AMPA glutamate receptor activity / response to lithium ion / Trafficking of GluR2-containing AMPA receptors / behavioral response to pain / transmission of nerve impulse / AMPA glutamate receptor clustering / kainate selective glutamate receptor activity / adenylate cyclase binding / cellular response to glycine / AMPA glutamate receptor complex / immunoglobulin binding / asymmetric synapse / extracellularly glutamate-gated ion channel activity / response to electrical stimulus / regulation of receptor recycling / ionotropic glutamate receptor complex / membrane depolarization / G-protein alpha-subunit binding / conditioned place preference / glutamate receptor binding / Unblocking of NMDA receptors, glutamate binding and activation / long-term memory / positive regulation of synaptic transmission / positive regulation of synaptic transmission, glutamatergic / regulation of synaptic transmission, glutamatergic / postsynaptic density, intracellular component / regulation of postsynaptic membrane neurotransmitter receptor levels / neuronal action potential / response to fungicide / voltage-gated calcium channel activity / glutamate-gated receptor activity / cytoskeletal protein binding / extracellular ligand-gated monoatomic ion channel activity / regulation of long-term synaptic depression / cellular response to brain-derived neurotrophic factor stimulus / synapse assembly / glutamate-gated calcium ion channel activity / presynaptic active zone membrane / somatodendritic compartment / dendrite membrane / excitatory synapse / ionotropic glutamate receptor binding / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / ionotropic glutamate receptor signaling pathway / dendrite cytoplasm / synaptic membrane / positive regulation of excitatory postsynaptic potential / hippocampal mossy fiber to CA3 synapse / dendritic shaft / SNARE binding / response to cocaine / PDZ domain binding 類似検索 - 分子機能 | |||||||||
| 生物種 | ![]() ![]() | |||||||||
| 手法 | 電子顕微鏡法 / 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 |
ムービービューア |
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| 構造ビューア | 分子: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 6njl.cif.gz | 856.9 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb6njl.ent.gz | 654.1 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 6njl.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
| その他 | その他のダウンロード |
-検証レポート
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/nj/6njl ftp://data.pdbj.org/pub/pdb/validation_reports/nj/6njl | HTTPS FTP |
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-関連構造データ
| 関連構造データ | ![]() 9387MC ![]() 0426C ![]() 0427C ![]() 0428C ![]() 0429C ![]() 0430C ![]() 0431C ![]() 0432C ![]() 9388C ![]() 9389C ![]() 6njmC ![]() 6njnC M: このデータのモデリングに利用したマップデータ 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
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集合体
| 登録構造単位 | ![]()
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要素
-Glutamate receptor ... , 2種, 4分子 ACBD
| #1: タンパク質 | 分子量: 101518.773 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() #2: タンパク質 | 分子量: 98783.805 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() |
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-タンパク質 , 2種, 4分子 EGFH
| #3: タンパク質 | 分子量: 13039.064 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() #4: タンパク質 | 分子量: 35938.746 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() |
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-抗体 , 3種, 6分子 ILJMKN
| #5: 抗体 | 分子量: 27511.527 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() #6: 抗体 | 分子量: 25111.660 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() #7: 抗体 | 分子量: 27975.439 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() |
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-糖 , 2種, 12分子 
| #8: 多糖 | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose #10: 糖 | ChemComp-NAG / |
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-非ポリマー , 1種, 4分子 
| #9: 化合物 | ChemComp-ZK1 / {[ |
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-詳細
| Has protein modification | Y |
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-実験情報
-実験
| 実験 | 手法: 電子顕微鏡法 |
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| EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
| 構成要素 | 名称: Native A1A2A1A2 complex bound with MPQX / タイプ: COMPLEX / Entity ID: #1-#7 / 由来: NATURAL | ||||||||||||||||||||
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| 由来(天然) | 生物種: ![]() | ||||||||||||||||||||
| 緩衝液 | pH: 8 | ||||||||||||||||||||
| 緩衝液成分 |
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| 試料 | 濃度: 4 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | ||||||||||||||||||||
| 試料支持 | 詳細: unspecified | ||||||||||||||||||||
| 急速凍結 | 凍結剤: ETHANE / 湿度: 100 % / 凍結前の試料温度: 295 K |
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電子顕微鏡撮影
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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| 顕微鏡 | モデル: FEI TITAN KRIOS |
| 電子銃 | 電子線源: FIELD EMISSION GUN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
| 電子レンズ | モード: BRIGHT FIELD |
| 撮影 | 電子線照射量: 54 e/Å2 / 検出モード: SUPER-RESOLUTION フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) |
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解析
| EMソフトウェア |
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| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||
| 3次元再構成 | 解像度: 6.7 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 130000 / 対称性のタイプ: POINT | ||||||||||||||||||
| 原子モデル構築 | プロトコル: RIGID BODY FIT / 空間: REAL | ||||||||||||||||||
| 精密化 | 最高解像度: 6.7 Å |
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