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- 基本情報
基本情報
| 登録情報 | データベース: PDB / ID: 6uz0 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| タイトル | Cardiac sodium channel with flecainide | |||||||||
|  要素 | Sodium channel protein type 5 subunit alpha,Green fluorescent protein | |||||||||
|  キーワード | METAL TRANSPORT / Cardiac sodium channel complex with flecainide / ion channel | |||||||||
| 機能・相同性 |  機能・相同性情報 voltage-gated sodium channel activity involved in AV node cell action potential / voltage-gated sodium channel activity involved in bundle of His cell action potential / voltage-gated sodium channel activity involved in Purkinje myocyte action potential / voltage-gated sodium channel activity involved in SA node cell action potential / bundle of His cell action potential / regulation of ventricular cardiac muscle cell membrane depolarization / AV node cell action potential / SA node cell action potential / AV node cell to bundle of His cell communication / membrane depolarization during SA node cell action potential ...voltage-gated sodium channel activity involved in AV node cell action potential / voltage-gated sodium channel activity involved in bundle of His cell action potential / voltage-gated sodium channel activity involved in Purkinje myocyte action potential / voltage-gated sodium channel activity involved in SA node cell action potential / bundle of His cell action potential / regulation of ventricular cardiac muscle cell membrane depolarization / AV node cell action potential / SA node cell action potential / AV node cell to bundle of His cell communication / membrane depolarization during SA node cell action potential / response to denervation involved in regulation of muscle adaptation / sodium channel complex / membrane depolarization during atrial cardiac muscle cell action potential / cardiac ventricle development / regulation of atrial cardiac muscle cell membrane repolarization / voltage-gated sodium channel activity involved in cardiac muscle cell action potential / brainstem development / membrane depolarization during AV node cell action potential / membrane depolarization during bundle of His cell action potential / regulation of atrial cardiac muscle cell membrane depolarization / positive regulation of action potential / atrial cardiac muscle cell action potential / membrane depolarization during Purkinje myocyte cell action potential / telencephalon development / membrane depolarization during cardiac muscle cell action potential / membrane depolarization during action potential / positive regulation of sodium ion transport / regulation of sodium ion transmembrane transport / ventricular cardiac muscle cell action potential / regulation of ventricular cardiac muscle cell membrane repolarization / cardiac muscle cell action potential involved in contraction / voltage-gated sodium channel complex / sodium ion import across plasma membrane / regulation of cardiac muscle cell contraction / ankyrin binding / voltage-gated sodium channel activity / sodium ion transport / nitric-oxide synthase binding / fibroblast growth factor binding / odontogenesis of dentin-containing tooth / regulation of heart rate by cardiac conduction / intercalated disc / lateral plasma membrane / membrane depolarization / positive regulation of heart rate / neuronal action potential / cardiac muscle contraction / T-tubule / sodium ion transmembrane transport / regulation of heart rate / cellular response to calcium ion / bioluminescence / cerebellum development / positive regulation of epithelial cell proliferation / generation of precursor metabolites and energy / sarcolemma / caveola / Z disc / scaffold protein binding / transmembrane transporter binding / calmodulin binding / protein domain specific binding / axon / ubiquitin protein ligase binding / protein kinase binding / perinuclear region of cytoplasm / enzyme binding / cell surface / endoplasmic reticulum / membrane / plasma membrane 類似検索 - 分子機能 | |||||||||
| 生物種 |   Rattus norvegicus (ドブネズミ)   Aequorea victoria (オワンクラゲ) | |||||||||
| 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: 3.24 Å | |||||||||
|  データ登録者 | Jiang, D. / Shi, H. / Tonggu, L. / Lenaeus, M.J. / Zheng, N. / Catterall, W.A. | |||||||||
| 資金援助 |  米国, 2件 
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|  引用 |  ジャーナル: Cell / 年: 2020 タイトル: Structure of the Cardiac Sodium Channel. 著者: Daohua Jiang / Hui Shi / Lige Tonggu / Tamer M Gamal El-Din / Michael J Lenaeus / Yan Zhao / Craig Yoshioka / Ning Zheng / William A Catterall /  要旨: Voltage-gated sodium channel Na1.5 generates cardiac action potentials and initiates the heartbeat. Here, we report structures of Na1.5 at 3.2-3.5 Å resolution. Na1.5 is distinguished from other ...Voltage-gated sodium channel Na1.5 generates cardiac action potentials and initiates the heartbeat. Here, we report structures of Na1.5 at 3.2-3.5 Å resolution. Na1.5 is distinguished from other sodium channels by a unique glycosyl moiety and loss of disulfide-bonding capability at the Naβ subunit-interaction sites. The antiarrhythmic drug flecainide specifically targets the central cavity of the pore. The voltage sensors are partially activated, and the fast-inactivation gate is partially closed. Activation of the voltage sensor of Domain III allows binding of the isoleucine-phenylalanine-methionine (IFM) motif to the inactivation-gate receptor. Asp and Ala, in the selectivity motif DEKA, line the walls of the ion-selectivity filter, whereas Glu and Lys are in positions to accept and release Na ions via a charge-delocalization network. Arrhythmia mutation sites undergo large translocations during gating, providing a potential mechanism for pathogenic effects. Our results provide detailed insights into Na1.5 structure, pharmacology, activation, inactivation, ion selectivity, and arrhythmias. | |||||||||
| 履歴 | 
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- 構造の表示
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 | 
- ダウンロードとリンク
ダウンロードとリンク
- ダウンロード
ダウンロード
| PDBx/mmCIF形式 |  6uz0.cif.gz | 253.2 KB | 表示 |  PDBx/mmCIF形式 | 
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| PDB形式 |  pdb6uz0.ent.gz | 183.7 KB | 表示 |  PDB形式 | 
| PDBx/mmJSON形式 |  6uz0.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
| 文書・要旨 |  6uz0_validation.pdf.gz | 1.9 MB | 表示 |  wwPDB検証レポート | 
|---|---|---|---|---|
| 文書・詳細版 |  6uz0_full_validation.pdf.gz | 1.9 MB | 表示 | |
| XML形式データ |  6uz0_validation.xml.gz | 52.8 KB | 表示 | |
| CIF形式データ |  6uz0_validation.cif.gz | 75.9 KB | 表示 | |
| アーカイブディレクトリ |  https://data.pdbj.org/pub/pdb/validation_reports/uz/6uz0  ftp://data.pdbj.org/pub/pdb/validation_reports/uz/6uz0 | HTTPS FTP | 
-関連構造データ
- リンク
リンク
- 集合体
集合体
| 登録構造単位 |  
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| 1 | 
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- 要素
要素
-タンパク質 , 1種, 1分子 A
| #1: タンパク質 | 分子量: 209037.781 Da / 分子数: 1 / 由来タイプ: 組換発現 由来: (組換発現)   Rattus norvegicus (ドブネズミ), (組換発現)   Aequorea victoria (オワンクラゲ) 遺伝子: Scn5a, GFP / 器官: HEART / プラスミド: pEG_BacMam / 細胞株 (発現宿主): HEK293S / 発現宿主:  Mammalian 1 orthobornavirus (ウイルス) / 参照: UniProt: P15389, UniProt: P42212 | 
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-糖 , 3種, 5分子 
| #2: 多糖 | | #3: 多糖 | beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | #4: 糖 |  | 
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-非ポリマー , 3種, 17分子 




| #5: 化合物 | ChemComp-9Z9 / ( #6: 化合物 | ChemComp-6OU / [( #7: 化合物 | ChemComp-K4D / |  | 
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-詳細
| 研究の焦点であるリガンドがあるか | Y | 
|---|---|
| Has protein modification | Y | 
-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 | 
- 試料調製
試料調製
| 構成要素 | 名称: cardiac sodium channel complex with flecainide / タイプ: COMPLEX / Entity ID: #1 / 由来: RECOMBINANT | |||||||||||||||
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| 分子量 | 値: 0.25 MDa / 実験値: NO | |||||||||||||||
| 由来(天然) | 生物種:   Rattus norvegicus (ドブネズミ) / 器官: heart | |||||||||||||||
| 由来(組換発現) | 生物種:  Mammalian 1 orthobornavirus (ウイルス) / 株: HEK293 / プラスミド: pEG_BacMam | |||||||||||||||
| 緩衝液 | pH: 6 | |||||||||||||||
| 緩衝液成分 | 
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| 試料 | 濃度: 5 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES 詳細: This sample include channel protein solubilized with GDN detergent. | |||||||||||||||
| 試料支持 | グリッドの材料: GOLD / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: UltrAuFoil | |||||||||||||||
| 急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE / 湿度: 100 % / 凍結前の試料温度: 277 K / 詳細: waiting for 20s, blot for 2.5-3.5s before plunging | 
- 電子顕微鏡撮影
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 詳細: Squares on grids were manually screened before data collection | 
| 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 / 倍率(公称値): 130000 X / 最大 デフォーカス(公称値): 2800 nm / 最小 デフォーカス(公称値): 1000 nm / Calibrated defocus min: 800 nm / 最大 デフォーカス(補正後): 3000 nm / Cs: 2.7 mm / C2レンズ絞り径: 50 µm / アライメント法: COMA FREE | 
| 試料ホルダ | 凍結剤: NITROGEN 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER 最高温度: 103 K / 最低温度: 90 K | 
| 撮影 | 平均露光時間: 8 sec. / 電子線照射量: 60 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) 撮影したグリッド数: 2 / 実像数: 5000 | 
| 電子光学装置 | エネルギーフィルター名称: GIF Bioquantum / エネルギーフィルタースリット幅: 20 eV | 
| 画像スキャン | 横: 3838 / 縦: 3710 / 動画フレーム数/画像: 40 / 利用したフレーム数/画像: 1-40 | 
- 解析
解析
| ソフトウェア | 名称: PHENIX / バージョン: 1.15.2_3472: / 分類: 精密化 | ||||||||||||||||||||||||||||||||||||||||
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| EMソフトウェア | 
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| 画像処理 | 詳細: The images were manually inspected. | ||||||||||||||||||||||||||||||||||||||||
| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||||||
| 粒子像の選択 | 選択した粒子像数: 2369854 / 詳細: particles were autopicked in relion3 | ||||||||||||||||||||||||||||||||||||||||
| 対称性 | 点対称性: C1 (非対称) | ||||||||||||||||||||||||||||||||||||||||
| 3次元再構成 | 解像度: 3.24 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 513604 / 対称性のタイプ: POINT | ||||||||||||||||||||||||||||||||||||||||
| 原子モデル構築 | B value: 60 / プロトコル: RIGID BODY FIT / 空間: REAL | ||||||||||||||||||||||||||||||||||||||||
| 原子モデル構築 | PDB-ID: 6AGF PDB chain-ID: A / Accession code: 6AGF / Source name: PDB / タイプ: experimental model | ||||||||||||||||||||||||||||||||||||||||
| 拘束条件 | 
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