+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 3bj4 | ||||||
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タイトル | The KCNQ1 (Kv7.1) C-terminus, a multi-tiered scaffold for subunit assembly and protein interaction | ||||||
要素 | Potassium voltage-gated channel subfamily KQT member 1 | ||||||
キーワード | SIGNALING PROTEIN / Coiled coil (コイルドコイル) / Alternative splicing (選択的スプライシング) / Deafness (難聴) / Disease mutation / Glycoprotein (糖タンパク質) / Ion transport / Ionic channel (イオンチャネル) / Long QT syndrome / Membrane (生体膜) / Phosphoprotein / Polymorphism / Potassium (カリウム) / Potassium channel (カリウムチャネル) / Potassium transport / Short QT syndrome (QT短縮症候群) / Transmembrane (膜貫通型タンパク質) / Transport / Voltage-gated channel (電位依存性イオンチャネル) | ||||||
機能・相同性 | 機能・相同性情報 gastrin-induced gastric acid secretion / corticosterone secretion / voltage-gated potassium channel activity involved in atrial cardiac muscle cell action potential repolarization / basolateral part of cell / lumenal side of membrane / negative regulation of voltage-gated potassium channel activity / rhythmic behavior / regulation of gastric acid secretion / stomach development / membrane repolarization during atrial cardiac muscle cell action potential ...gastrin-induced gastric acid secretion / corticosterone secretion / voltage-gated potassium channel activity involved in atrial cardiac muscle cell action potential repolarization / basolateral part of cell / lumenal side of membrane / negative regulation of voltage-gated potassium channel activity / rhythmic behavior / regulation of gastric acid secretion / stomach development / membrane repolarization during atrial cardiac muscle cell action potential / Phase 3 - rapid repolarisation / voltage-gated potassium channel activity involved in cardiac muscle cell action potential repolarization / membrane repolarization during action potential / iodide transport / membrane repolarization during ventricular cardiac muscle cell action potential / regulation of atrial cardiac muscle cell membrane repolarization / Phase 2 - plateau phase / membrane repolarization during cardiac muscle cell action potential / potassium ion export across plasma membrane / intracellular chloride ion homeostasis / renal sodium ion absorption / negative regulation of delayed rectifier potassium channel activity / voltage-gated potassium channel activity involved in ventricular cardiac muscle cell action potential repolarization / atrial cardiac muscle cell action potential / detection of mechanical stimulus involved in sensory perception of sound / auditory receptor cell development / regulation of membrane repolarization / protein phosphatase 1 binding / positive regulation of potassium ion transmembrane transport / Voltage gated Potassium channels / potassium ion homeostasis / ventricular cardiac muscle cell action potential / non-motile cilium assembly / delayed rectifier potassium channel activity / regulation of ventricular cardiac muscle cell membrane repolarization / outward rectifier potassium channel activity / intestinal absorption / regulation of heart contraction / monoatomic ion channel complex / ciliary base / inner ear morphogenesis / positive regulation of heart rate / cochlea development / renal absorption / adrenergic receptor signaling pathway / potassium ion import across plasma membrane / voltage-gated potassium channel activity / protein kinase A regulatory subunit binding / regulation of heart rate by cardiac conduction / protein kinase A catalytic subunit binding / social behavior / inner ear development / cellular response to cAMP / cardiac muscle contraction / potassium ion transmembrane transport / voltage-gated potassium channel complex / 小胞 / positive regulation of cardiac muscle contraction / cellular response to epinephrine stimulus / phosphatidylinositol-4,5-bisphosphate binding / 赤血球形成 / sensory perception of sound / response to insulin / cytoplasmic vesicle membrane / 血圧 / glucose metabolic process / cellular response to xenobiotic stimulus / late endosome / heart development / scaffold protein binding / basolateral plasma membrane / transmembrane transporter binding / リソソーム / エンドソーム / calmodulin binding / neuron projection / 脂質ラフト / apical plasma membrane / neuronal cell body / 小胞体 / 生体膜 / 細胞膜 / 細胞質 類似検索 - 分子機能 | ||||||
生物種 | Homo sapiens (ヒト) | ||||||
手法 | X線回折 / シンクロトロン / 多重同系置換・異常分散 / 解像度: 2 Å | ||||||
データ登録者 | Wiener, R. / Hirsch, J.A. | ||||||
引用 | ジャーナル: J.Biol.Chem. / 年: 2008 タイトル: The KCNQ1 (Kv7.1) COOH terminus, a multitiered scaffold for subunit assembly and protein interaction. 著者: Wiener, R. / Haitin, Y. / Shamgar, L. / Fernandez-Alonso, M.C. / Martos, A. / Chomsky-Hecht, O. / Rivas, G. / Attali, B. / Hirsch, J.A. | ||||||
履歴 |
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-構造の表示
構造ビューア | 分子: MolmilJmol/JSmol |
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-ダウンロードとリンク
-ダウンロード
PDBx/mmCIF形式 | 3bj4.cif.gz | 28.6 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb3bj4.ent.gz | 19.7 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 3bj4.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/bj/3bj4 ftp://data.pdbj.org/pub/pdb/validation_reports/bj/3bj4 | HTTPS FTP |
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-関連構造データ
-リンク
-集合体
登録構造単位 |
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1 |
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単位格子 |
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Components on special symmetry positions |
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-要素
#1: タンパク質・ペプチド | 分子量: 5424.181 Da / 分子数: 2 / 断片: C-terminal Helix D / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: KCNQ1 / プラスミド: pETDuet / 発現宿主: Escherichia coli (大腸菌) / 株 (発現宿主): Tuner / 参照: UniProt: P51787 #2: 化合物 | ChemComp-NI / | #3: 水 | ChemComp-HOH / | |
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-実験情報
-実験
実験 | 手法: X線回折 / 使用した結晶の数: 1 |
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-試料調製
結晶 | マシュー密度: 2.49 Å3/Da / 溶媒含有率: 50.63 % |
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結晶化 | 温度: 292 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 7.5 詳細: 12-16% PEG 8K, 0.1M Tris, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 292K |
-データ収集
回折 | 平均測定温度: 110 K |
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放射光源 | 由来: シンクロトロン / サイト: ESRF / ビームライン: ID29 / 波長: 0.9792 Å |
検出器 | タイプ: ADSC QUANTUM 210 / 検出器: CCD / 日付: 2004年7月15日 |
放射 | プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray |
放射波長 | 波長: 0.9792 Å / 相対比: 1 |
反射 | 解像度: 2→50 Å / Num. all: 7656 / Num. obs: 7656 / % possible obs: 99.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / 冗長度: 4.8 % / Biso Wilson estimate: 32.3 Å2 / Rsym value: 0.065 / Net I/σ(I): 19.6 |
反射 シェル | 解像度: 2→2.07 Å / 冗長度: 2.8 % / Mean I/σ(I) obs: 3.36 / Num. unique all: 1432 / Rsym value: 0.33 / % possible all: 99.5 |
-解析
ソフトウェア |
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精密化 | 構造決定の手法: 多重同系置換・異常分散 / 解像度: 2→44.46 Å / Cor.coef. Fo:Fc: 0.939 / Cor.coef. Fo:Fc free: 0.913 / SU B: 3.985 / SU ML: 0.111 / 交差検証法: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R: 0.177 / ESU R Free: 0.16 立体化学のターゲット値: MAXIMUM LIKELIHOOD WITH PHASES 詳細: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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溶媒の処理 | イオンプローブ半径: 0.8 Å / 減衰半径: 0.8 Å / VDWプローブ半径: 1.4 Å / 溶媒モデル: BABINET MODEL WITH MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
原子変位パラメータ | Biso mean: 32.302 Å2
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Refine analyze | Luzzati coordinate error free: 0.16 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
精密化ステップ | サイクル: LAST / 解像度: 2→44.46 Å
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拘束条件 |
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LS精密化 シェル | 解像度: 2→2.052 Å / Total num. of bins used: 20
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