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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: 9nra | ||||||
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タイトル | The structure of GluA1/A4 LBD-TMD with 4 auxiliary subunits | ||||||
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![]() | MEMBRANE PROTEIN / iGluR / CP-AMPA receptors | ||||||
機能・相同性 | ![]() 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 / 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 / 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 / eye blink reflex / positive regulation of protein localization to basolateral plasma membrane / cellular response to ammonium ion / response to sucrose / neuron spine / myosin V binding / cerebellar mossy fiber / postsynaptic neurotransmitter receptor diffusion trapping / proximal dendrite / regulation of monoatomic ion transmembrane transport / regulation of AMPA receptor activity / channel regulator activity / Trafficking of AMPA receptors / kainate selective glutamate receptor complex / LGI-ADAM interactions / response to arsenic-containing substance / cellular response to L-glutamate / cellular response to dsRNA / membrane hyperpolarization / dendritic spine membrane / regulation of synapse structure or activity / long-term synaptic depression / nervous system process / beta-2 adrenergic receptor binding / Synaptic adhesion-like molecules / protein targeting to membrane / cellular response to peptide hormone stimulus / voltage-gated calcium channel complex / response to morphine / neuronal cell body membrane / protein kinase A binding / peptide hormone receptor binding / cellular response to amine stimulus / neurotransmitter receptor localization to postsynaptic specialization membrane / response to psychosocial stress / spinal cord development / neuromuscular junction development / perisynaptic space / Activation of AMPA receptors / AMPA glutamate receptor activity / transmission of nerve impulse / response to lithium ion / negative regulation of smooth muscle cell apoptotic process / Trafficking of GluR2-containing AMPA receptors / behavioral response to pain / AMPA glutamate receptor complex / adenylate cyclase binding / immunoglobulin binding / asymmetric synapse / ionotropic glutamate receptor complex / excitatory synapse / conditioned place preference / response to electrical stimulus / regulation of receptor recycling / G-protein alpha-subunit binding / membrane depolarization / glutamate receptor binding / positive regulation of excitatory postsynaptic potential / Unblocking of NMDA receptors, glutamate binding and activation / long-term memory / positive regulation of synaptic transmission / positive regulation of synaptic transmission, glutamatergic / postsynaptic density, intracellular component / regulation of postsynaptic membrane neurotransmitter receptor levels / voltage-gated calcium channel activity / neuronal action potential / response to fungicide / glutamate-gated receptor activity / synapse assembly / cellular response to brain-derived neurotrophic factor stimulus / glutamate-gated calcium ion channel activity / presynaptic active zone membrane / somatodendritic compartment / dendrite membrane / ionotropic glutamate receptor binding / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / synaptic membrane / hippocampal mossy fiber to CA3 synapse / dendritic shaft / regulation of membrane potential / response to cocaine / calcium channel regulator activity / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / synaptic transmission, glutamatergic / PDZ domain binding / cellular response to amino acid stimulus / neuromuscular junction / response to nutrient levels / response to peptide hormone / response to calcium ion / postsynaptic density membrane / recycling endosome / cerebral cortex development / regulation of synaptic plasticity 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: 4.18 Å | ||||||
![]() | Fang, C.F. / Gouaux, E. | ||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Gating and noelin clustering of native Ca-permeable AMPA receptors. 著者: Chengli Fang / Cathy J Spangler / Jumi Park / Natalie Sheldon / Laurence O Trussell / Eric Gouaux / ![]() 要旨: AMPA-type ionotropic glutamate receptors (AMPARs) are integral to fast excitatory synaptic transmission and have vital roles in synaptic plasticity, motor coordination, learning and memory. Whereas ...AMPA-type ionotropic glutamate receptors (AMPARs) are integral to fast excitatory synaptic transmission and have vital roles in synaptic plasticity, motor coordination, learning and memory. Whereas extensive structural studies have been conducted on recombinant AMPARs and native calcium-impermeable (CI)-AMPARs alongside their auxiliary proteins, the molecular architecture of native calcium-permeable (CP)-AMPARs has remained undefined. Here, to determine the subunit composition, physiological architecture and gating mechanisms of CP-AMPARs, we visualize these receptors, immunoaffinity purified from rat cerebella, and resolve their structures using cryo-electron microscopy (cryo-EM). Our results indicate that the predominant assembly consists of GluA1 and GluA4 subunits, with the GluA4 subunit occupying the B and D positions, and auxiliary subunits, including transmembrane AMPAR regulatory proteins (TARPs) located at the B' and D' positions, and cornichon homologues (CNIHs) or TARPs located at the A' and C' positions. Furthermore, we resolved the structure of the noelin (NOE1)-GluA1-GluA4 complex, in which NOE1 specifically binds to the GluA4 subunit at the B and D positions. Notably, NOE1 stabilizes the amino-terminal domain layer without affecting gating properties of the receptor. NOE1 contributes to AMPAR function by forming dimeric AMPAR assemblies that are likely to engage in extracellular networks, clustering receptors in synaptic environments and modulating receptor responsiveness to synaptic inputs. | ||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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ダウンロードとリンク
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PDBx/mmCIF形式 | ![]() | 362.9 KB | 表示 | ![]() |
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PDB形式 | ![]() | 286.8 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 1.6 MB | 表示 | ![]() |
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文書・詳細版 | ![]() | 1.6 MB | 表示 | |
XML形式データ | ![]() | 67.2 KB | 表示 | |
CIF形式データ | ![]() | 102.5 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
関連構造データ | ![]() 49727MC ![]() 9nr6C ![]() 9nr7C ![]() 9nr8C ![]() 9nr9C 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 | 類似検索 - 機能・相同性 ![]() |
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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
#1: タンパク質 | 分子量: 47879.855 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: 47185.402 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #3: タンパク質 | 分子量: 9975.288 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: 22589.975 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #5: 化合物 | ChemComp-ZK1 / {[ 研究の焦点であるリガンドがあるか | N | 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: CP-AMPA receptors / タイプ: COMPLEX / Entity ID: #1-#4 / 由来: NATURAL |
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由来(天然) | 生物種: ![]() ![]() |
緩衝液 | pH: 8 |
試料 | 濃度: 0.1 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
急速凍結 | 凍結剤: ETHANE |
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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: TFS KRIOS |
電子銃 | 電子線源: ![]() |
電子レンズ | モード: OTHER / 最大 デフォーカス(公称値): 2200 nm / 最小 デフォーカス(公称値): 1200 nm |
撮影 | 電子線照射量: 50 e/Å2 フィルム・検出器のモデル: FEI FALCON IV (4k x 4k) |
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解析
EMソフトウェア | 名称: PHENIX / バージョン: 1.20.1_4487: / カテゴリ: モデル精密化 | ||||||||||||||||||||||||
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CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
対称性 | 点対称性: C2 (2回回転対称) | ||||||||||||||||||||||||
3次元再構成 | 解像度: 4.18 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 14278 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
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